web: ensure npm install runs before build (#5154)

* config: introduce ExecSource value source

* auth: introduce OidcTokenSourceAuthProvider

* auth: use OidcTokenSourceAuthProvider if tokenSource config is present on the client

* cmd: allow exec token source only if CLI flag was passed

.circleci/config.yml

@@ -2,24 +2,23 @@ version: 2
 jobs:
   go-version-latest:
     docker:
-      - image: cimg/go:1.21-node
+    - image: cimg/go:1.24-node
     resource_class: large
     steps:
-      - checkout
-      - run: make
-      - run: make alltest
-  go-version-last:
-    docker:
-      - image: cimg/go:1.20-node
-    resource_class: large
-    steps:
-      - checkout
-      - run: make
-      - run: make alltest
+    - checkout
+    - run:
+        name: Build web assets (frps)
+        command: make install build
+        working_directory: web/frps
+    - run:
+        name: Build web assets (frpc)
+        command: make install build
+        working_directory: web/frpc
+    - run: make
+    - run: make alltest
 
 workflows:
   version: 2
   build_and_test:
     jobs:
-      - go-version-latest
-      - go-version-last
+    - go-version-latest

.github/FUNDING.yml

@@ -1,4 +1,4 @@
 # These are supported funding model platforms
 
 github: [fatedier]
-custom: ["https://afdian.net/a/fatedier"]
+custom: ["https://afdian.com/a/fatedier"]

.github/workflows/build-and-push-image.yml

@@ -2,7 +2,7 @@ name: Build Image and Publish to Dockerhub & GPR
 
 on:
   release:
-    types: [ created ]
+    types: [ published ]
   workflow_dispatch:
     inputs:
       tag:
@@ -19,15 +19,15 @@ jobs:
     steps:
       # environment
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: '0'
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v3
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       # get image tag name
       - name: Get Image Tag Name
@@ -38,13 +38,13 @@ jobs:
             echo "TAG_NAME=${{ github.event.inputs.tag }}" >> $GITHUB_ENV
           fi
       - name: Login to DockerHub
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_PASSWORD }}
 
       - name: Login to the GPR
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
@@ -61,7 +61,7 @@ jobs:
           echo "TAG_FRPS_GPR=ghcr.io/fatedier/frps:${{ env.TAG_NAME }}" >> $GITHUB_ENV
 
       - name: Build and push frpc
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: ./dockerfiles/Dockerfile-for-frpc
@@ -72,7 +72,7 @@ jobs:
             ${{ env.TAG_FRPC_GPR }}
 
       - name: Build and push frps
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: ./dockerfiles/Dockerfile-for-frps

.github/workflows/golangci-lint.yml

@@ -14,28 +14,22 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-go@v4
-        with:
-          go-version: '1.21'
-      - uses: actions/checkout@v3
-      - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
-        with:
-          # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
-          version: v1.55
-
-          # Optional: golangci-lint command line arguments.
-          # args: --issues-exit-code=0
-
-          # Optional: show only new issues if it's a pull request. The default value is `false`.
-          # only-new-issues: true
-
-          # Optional: if set to true then the all caching functionality will be complete disabled,
-          #           takes precedence over all other caching options.
-          # skip-cache: true
-
-          # Optional: if set to true then the action don't cache or restore ~/go/pkg.
-          # skip-pkg-cache: true
-
-          # Optional: if set to true then the action don't cache or restore ~/.cache/go-build.
-          # skip-build-cache: true
+    - uses: actions/checkout@v4
+    - uses: actions/setup-go@v5
+      with:
+        go-version: '1.24'
+        cache: false
+    - uses: actions/setup-node@v4
+      with:
+        node-version: '22'
+    - name: Build web assets (frps)
+      run: make build
+      working-directory: web/frps
+    - name: Build web assets (frpc)
+      run: make build
+      working-directory: web/frpc
+    - name: golangci-lint
+      uses: golangci/golangci-lint-action@v8
+      with:
+        # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
+        version: v2.3

.github/workflows/goreleaser.yml

@@ -8,21 +8,29 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: '1.21'
-          
+          go-version: '1.24'
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+      - name: Build web assets (frps)
+        run: make build
+        working-directory: web/frps
+      - name: Build web assets (frpc)
+        run: make build
+        working-directory: web/frpc
       - name: Make All
         run: |
           ./package.sh
 
       - name: Run GoReleaser
-        uses: goreleaser/goreleaser-action@v4
+        uses: goreleaser/goreleaser-action@v6
         with:
           version: latest
           args: release --clean --release-notes=./Release.md

.github/workflows/stale.yml

@@ -1,4 +1,4 @@
-name: "Close stale issues"
+name: "Close stale issues and PRs"
 on:
   schedule:
   - cron: "20 0 * * *"
@@ -16,19 +16,20 @@ jobs:
     permissions:
       issues: write  # for actions/stale to close stale issues
       pull-requests: write  # for actions/stale to close stale PRs
+      actions: write
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/stale@v8
+    - uses: actions/stale@v9
       with:
-        repo-token: ${{ secrets.GITHUB_TOKEN }}
-        stale-issue-message: 'Issues go stale after 30d of inactivity. Stale issues rot after an additional 7d of inactivity and eventually close.'
-        stale-pr-message: "PRs go stale after 30d of inactivity. Stale PRs rot after an additional 7d of inactivity and eventually close."
+        stale-issue-message: 'Issues go stale after 14d of inactivity. Stale issues rot after an additional 3d of inactivity and eventually close.'
+        stale-pr-message: "PRs go stale after 14d of inactivity. Stale PRs rot after an additional 3d of inactivity and eventually close."
         stale-issue-label: 'lifecycle/stale'
         exempt-issue-labels: 'bug,doc,enhancement,future,proposal,question,testing,todo,easy,help wanted,assigned'
         stale-pr-label: 'lifecycle/stale'
         exempt-pr-labels: 'bug,doc,enhancement,future,proposal,question,testing,todo,easy,help wanted,assigned'
-        days-before-stale: 30
-        days-before-close: 7
+        days-before-stale: 14
+        days-before-close: 3
         debug-only: ${{ github.event.inputs.debug-only }}
         exempt-all-pr-milestones: true
         exempt-all-pr-assignees: true
+        operations-per-run: 200

.gitignore

@@ -34,6 +34,11 @@ dist/
 .idea/
 .vscode/
 .autogen_ssh_key
+client.crt
+client.key
 
 # Cache
 *.swp
+
+# AI
+CLAUDE.md

.golangci.yml

@@ -1,149 +1,116 @@
-service:
-  golangci-lint-version: 1.55.x # use the fixed version to not introduce new linters unexpectedly
-  
+version: "2"
 run:
   concurrency: 4
-  # timeout for analysis, e.g. 30s, 5m, default is 1m
-  deadline: 20m
+  timeout: 20m
   build-tags:
   - integ
   - integfuzz
-  # which dirs to skip: they won't be analyzed;
-  # can use regexp here: generated.*, regexp is applied on full path;
-  # default value is empty list, but next dirs are always skipped independently
-  # from this option's value:
-  #       vendor$, third_party$, testdata$, examples$, Godeps$, builtin$
-  skip-dirs:
-    - genfiles$
-    - vendor$
-    - bin$
-
-  # which files to skip: they will be analyzed, but issues from them
-  # won't be reported. Default value is empty list, but there is
-  # no need to include all autogenerated files, we confidently recognize
-  # autogenerated files. If it's not please let us know.
-  skip-files:
-    - ".*\\.pb\\.go"
-    - ".*\\.gen\\.go"
-
 linters:
-  disable-all: true
+  default: none
   enable:
-  - unused
+  - asciicheck
+  - copyloopvar
   - errcheck
-  - exportloopref
   - gocritic
-  - gofumpt
-  - goimports
-  - revive
-  - gosimple
+  - gosec
   - govet
   - ineffassign
   - lll
+  - makezero
   - misspell
-  - staticcheck
-  - stylecheck
-  - typecheck
-  - unconvert
-  - unparam
-  - gci
-  - gosec
-  - asciicheck
   - prealloc
   - predeclared
-  - makezero
-  fast: false
-
-linters-settings:
-  errcheck:
-    # report about not checking of errors in type assetions: `a := b.(MyStruct)`;
-    # default is false: such cases aren't reported by default.
-    check-type-assertions: false
-
-    # report about assignment of errors to blank identifier: `num, _ := strconv.Atoi(numStr)`;
-    # default is false: such cases aren't reported by default.
-    check-blank: false
-  govet:
-    # report about shadowed variables
-    check-shadowing: false
-  maligned:
-    # print struct with more effective memory layout or not, false by default
-    suggest-new: true
-  misspell:
-    # Correct spellings using locale preferences for US or UK.
-    # Default is to use a neutral variety of English.
-    # Setting locale to US will correct the British spelling of 'colour' to 'color'.
-    locale: US
-    ignore-words:
-    - cancelled
-    - marshalled
-  lll:
-    # max line length, lines longer will be reported. Default is 120.
-    # '\t' is counted as 1 character by default, and can be changed with the tab-width option
-    line-length: 160
-    # tab width in spaces. Default to 1.
-    tab-width: 1
-  gocritic:
-    disabled-checks:
-    - exitAfterDefer
-  unused:
-    check-exported: false
-  unparam:
-    # Inspect exported functions, default is false. Set to true if no external program/library imports your code.
-    # XXX: if you enable this setting, unparam will report a lot of false-positives in text editors:
-    # if it's called for subdir of a project it can't find external interfaces. All text editor integrations
-    # with golangci-lint call it on a directory with the changed file.
-    check-exported: false
-  gci:
-    sections:
-    - standard
-    - default
-    - prefix(github.com/fatedier/frp/)
-  gosec:
-    severity: "low"
-    confidence: "low"
-    excludes:
-    - G102
-    - G112
-    - G306
-    - G401
-    - G402
-    - G404
-    - G501
-
+  - revive
+  - staticcheck
+  - unconvert
+  - unparam
+  - unused
+  settings:
+    errcheck:
+      check-type-assertions: false
+      check-blank: false
+    gocritic:
+      disabled-checks:
+      - exitAfterDefer
+    gosec:
+      excludes:
+      - G401
+      - G402
+      - G404
+      - G501
+      - G115
+      - G204
+      severity: low
+      confidence: low
+    govet:
+      disable:
+      - shadow
+    lll:
+      line-length: 160
+      tab-width: 1
+    misspell:
+      locale: US
+      ignore-rules:
+      - cancelled
+      - marshalled
+    unparam:
+      check-exported: false
+  exclusions:
+    generated: lax
+    presets:
+    - comments
+    - common-false-positives
+    - legacy
+    - std-error-handling
+    rules:
+    - linters:
+      - errcheck
+      - maligned
+      path: _test\.go$|^tests/|^samples/
+    - linters:
+      - revive
+      - staticcheck
+      text: use underscores in Go names
+    - linters:
+      - revive
+      text: unused-parameter
+    - linters:
+      - revive
+      text: "avoid meaningless package names"
+    - linters:
+      - unparam
+      text: is always false
+    paths:
+    - .*\.pb\.go
+    - .*\.gen\.go
+    - genfiles$
+    - vendor$
+    - bin$
+    - third_party$
+    - builtin$
+    - examples$
+formatters:
+  enable:
+  - gci
+  - gofumpt
+  - goimports
+  settings:
+    gci:
+      sections:
+      - standard
+      - default
+      - prefix(github.com/fatedier/frp/)
+  exclusions:
+    generated: lax
+    paths:
+    - .*\.pb\.go
+    - .*\.gen\.go
+    - genfiles$
+    - vendor$
+    - bin$
+    - third_party$
+    - builtin$
+    - examples$
 issues:
-  # List of regexps of issue texts to exclude, empty list by default.
-  # But independently from this option we use default exclude patterns,
-  # it can be disabled by `exclude-use-default: false`. To list all
-  # excluded by default patterns execute `golangci-lint run --help`
-  # exclude:
-  #  - composite literal uses unkeyed fields
-
-  exclude-rules:
-  # Exclude some linters from running on test files.
-  - path: _test\.go$|^tests/|^samples/
-    linters:
-    - errcheck
-    - maligned
-  - linters:
-    - revive
-    - stylecheck
-    text: "use underscores in Go names"
-  - linters:
-    - revive
-    text: "unused-parameter"
-  - linters:
-    - unparam
-    text: "is always false"
-
-  # Independently from option `exclude` we use default exclude patterns,
-  # it can be disabled by this option. To list all
-  # excluded by default patterns execute `golangci-lint run --help`.
-  # Default value for this option is true.
-  exclude-use-default: true
-
-  # Maximum issues count per one linter. Set to 0 to disable. Default is 50.
-  max-per-linter: 0
-
-  # Maximum count of issues with the same text. Set to 0 to disable. Default is 3.
+  max-issues-per-linter: 0
   max-same-issues: 0

Makefile

@@ -1,17 +1,23 @@
-export PATH := $(GOPATH)/bin:$(PATH)
+export PATH := $(PATH):`go env GOPATH`/bin
 export GO111MODULE=on
 LDFLAGS := -s -w
 
-all: fmt build
+.PHONY: web frps-web frpc-web frps frpc
+
+all: env fmt web build
 
 build: frps frpc
 
-# compile assets into binary file
-file:
-	rm -rf ./assets/frps/static/*
-	rm -rf ./assets/frpc/static/*
-	cp -rf ./web/frps/dist/* ./assets/frps/static
-	cp -rf ./web/frpc/dist/* ./assets/frpc/static
+env:
+	@go version
+
+web: frps-web frpc-web
+
+frps-web:
+	$(MAKE) -C web/frps build
+
+frpc-web:
+	$(MAKE) -C web/frpc build
 
 fmt:
 	go fmt ./...
@@ -22,7 +28,7 @@ fmt-more:
 gci:
 	gci write -s standard -s default -s "prefix(github.com/fatedier/frp/)" ./
 
-vet:
+vet: web
 	go vet ./...
 
 frps:
@@ -33,7 +39,7 @@ frpc:
 
 test: gotest
 
-gotest:
+gotest: web
 	go test -v --cover ./assets/...
 	go test -v --cover ./cmd/...
 	go test -v --cover ./client/...

Makefile.cross-compiles

@@ -1,23 +1,35 @@
-export PATH := $(GOPATH)/bin:$(PATH)
+export PATH := $(PATH):`go env GOPATH`/bin
 export GO111MODULE=on
 LDFLAGS := -s -w
 
-os-archs=darwin:amd64 darwin:arm64 freebsd:amd64 linux:amd64 linux:arm linux:arm64 windows:amd64 windows:arm64 linux:mips64 linux:mips64le linux:mips:softfloat linux:mipsle:softfloat linux:riscv64
+os-archs=darwin:amd64 darwin:arm64 freebsd:amd64 openbsd:amd64 linux:amd64 linux:arm:7 linux:arm:5 linux:arm64 windows:amd64 windows:arm64 linux:mips64 linux:mips64le linux:mips:softfloat linux:mipsle:softfloat linux:riscv64 linux:loong64 android:arm64
 
 all: build
 
 build: app
 
 app:
-	@$(foreach n, $(os-archs),\
-		os=$(shell echo "$(n)" | cut -d : -f 1);\
-		arch=$(shell echo "$(n)" | cut -d : -f 2);\
-		gomips=$(shell echo "$(n)" | cut -d : -f 3);\
-		target_suffix=$${os}_$${arch};\
-		echo "Build $${os}-$${arch}...";\
-		env CGO_ENABLED=0 GOOS=$${os} GOARCH=$${arch} GOMIPS=$${gomips} go build -trimpath -ldflags "$(LDFLAGS)" -o ./release/frpc_$${target_suffix} ./cmd/frpc;\
-		env CGO_ENABLED=0 GOOS=$${os} GOARCH=$${arch} GOMIPS=$${gomips} go build -trimpath -ldflags "$(LDFLAGS)" -o ./release/frps_$${target_suffix} ./cmd/frps;\
-		echo "Build $${os}-$${arch} done";\
+	@$(foreach n, $(os-archs), \
+		os=$(shell echo "$(n)" | cut -d : -f 1); \
+		arch=$(shell echo "$(n)" | cut -d : -f 2); \
+		extra=$(shell echo "$(n)" | cut -d : -f 3); \
+		flags=''; \
+		target_suffix=$${os}_$${arch}; \
+		if [ "$${os}" = "linux" ] && [ "$${arch}" = "arm" ] && [ "$${extra}" != "" ] ; then \
+			if [ "$${extra}" = "7" ]; then \
+				flags=GOARM=7; \
+				target_suffix=$${os}_arm_hf; \
+			elif [ "$${extra}" = "5" ]; then \
+				flags=GOARM=5; \
+				target_suffix=$${os}_arm; \
+			fi; \
+		elif [ "$${os}" = "linux" ] && ([ "$${arch}" = "mips" ] || [ "$${arch}" = "mipsle" ]) && [ "$${extra}" != "" ] ; then \
+		    flags=GOMIPS=$${extra}; \
+		fi; \
+		echo "Build $${os}-$${arch}$${extra:+ ($${extra})}..."; \
+		env CGO_ENABLED=0 GOOS=$${os} GOARCH=$${arch} $${flags} go build -trimpath -ldflags "$(LDFLAGS)" -tags frpc -o ./release/frpc_$${target_suffix} ./cmd/frpc; \
+		env CGO_ENABLED=0 GOOS=$${os} GOARCH=$${arch} $${flags} go build -trimpath -ldflags "$(LDFLAGS)" -tags frps -o ./release/frps_$${target_suffix} ./cmd/frps; \
+		echo "Build $${os}-$${arch}$${extra:+ ($${extra})} done"; \
 	)
 	@mv ./release/frpc_windows_amd64 ./release/frpc_windows_amd64.exe
 	@mv ./release/frps_windows_amd64 ./release/frps_windows_amd64.exe

README.md

@@ -2,20 +2,53 @@
 
 [![Build Status](https://circleci.com/gh/fatedier/frp.svg?style=shield)](https://circleci.com/gh/fatedier/frp)
 [![GitHub release](https://img.shields.io/github/tag/fatedier/frp.svg?label=release)](https://github.com/fatedier/frp/releases)
+[![Go Report Card](https://goreportcard.com/badge/github.com/fatedier/frp)](https://goreportcard.com/report/github.com/fatedier/frp)
+[![GitHub Releases Stats](https://img.shields.io/github/downloads/fatedier/frp/total.svg?logo=github)](https://somsubhra.github.io/github-release-stats/?username=fatedier&repository=frp)
 
 [README](README.md) | [中文文档](README_zh.md)
 
+## Sponsors
+
+frp is an open source project with its ongoing development made possible entirely by the support of our awesome sponsors. If you'd like to join them, please consider [sponsoring frp's development](https://github.com/sponsors/fatedier).
+
 <h3 align="center">Gold Sponsors</h3>
 <!--gold sponsors start-->
 <p align="center">
-  <a href="https://workos.com/?utm_campaign=github_repo&utm_medium=referral&utm_content=frp&utm_source=github" target="_blank">
-    <img width="350px" src="https://raw.githubusercontent.com/fatedier/frp/dev/doc/pic/sponsor_workos.png">
-  </a>
-  <a>&nbsp</a>
-  <a href="https://www.nango.dev?utm_source=github&utm_medium=oss-banner&utm_campaign=fatedier-frp" target="_blank">
-    <img width="400px" src="https://raw.githubusercontent.com/fatedier/frp/dev/doc/pic/sponsor_nango.png">
+  <a href="https://requestly.com/?utm_source=github&utm_medium=partnered&utm_campaign=frp" target="_blank">
+    <img width="480px" src="https://github.com/user-attachments/assets/24670320-997d-4d62-9bca-955c59fe883d">
+    <br>
+    <b>Requestly - Free & Open-Source alternative to Postman</b>
+    <br>
+    <sub>All-in-one platform to Test, Mock and Intercept APIs.</sub>
   </a>
 </p>
+
+<p align="center">
+  <a href="https://jb.gg/frp" target="_blank">
+    <img width="420px" src="https://raw.githubusercontent.com/fatedier/frp/dev/doc/pic/sponsor_jetbrains.jpg">
+	<br>
+	<b>The complete IDE crafted for professional Go developers</b>
+  </a>
+</p>
+
+<p align="center">
+  <a href="https://github.com/beclab/Olares" target="_blank">
+    <img width="420px" src="https://raw.githubusercontent.com/fatedier/frp/dev/doc/pic/sponsor_olares.jpeg">
+	<br>
+	<b>The sovereign cloud that puts you in control</b>
+	<br>
+	<sub>An open source, self-hosted alternative to public clouds, built for data ownership and privacy</sub>
+  </a>
+</p>
+<div align="center">
+
+## Recall.ai - API for meeting recordings
+
+If you're looking for a meeting recording API, consider checking out [Recall.ai](https://www.recall.ai/?utm_source=github&utm_medium=sponsorship&utm_campaign=fatedier-frp),
+
+an API that records Zoom, Google Meet, Microsoft Teams, in-person meetings, and more.
+
+</div>
 <!--gold sponsors end-->
 
 ## What is frp?
@@ -76,9 +109,16 @@ frp also offers a P2P connect mode.
     * [URL Routing](#url-routing)
     * [TCP Port Multiplexing](#tcp-port-multiplexing)
     * [Connecting to frps via PROXY](#connecting-to-frps-via-proxy)
+    * [Port range mapping](#port-range-mapping)
     * [Client Plugins](#client-plugins)
     * [Server Manage Plugins](#server-manage-plugins)
     * [SSH Tunnel Gateway](#ssh-tunnel-gateway)
+    * [Virtual Network (VirtualNet)](#virtual-network-virtualnet)
+* [Feature Gates](#feature-gates)
+    * [Available Feature Gates](#available-feature-gates)
+    * [Enabling Feature Gates](#enabling-feature-gates)
+    * [Feature Lifecycle](#feature-lifecycle)
+* [Related Projects](#related-projects)
 * [Contributing](#contributing)
 * [Donation](#donation)
     * [GitHub Sponsors](#github-sponsors)
@@ -201,11 +241,11 @@ This example implements multiple SSH services exposed through the same port usin
 
 4. To access internal machine A using SSH ProxyCommand, assuming the username is "test":
 
-  `ssh -o 'proxycommand socat - PROXY:x.x.x.x:machine-a.example.com:22,proxyport=5002' test@machine-a`
+  `ssh -o 'proxycommand socat - PROXY:x.x.x.x:%h:%p,proxyport=5002' test@machine-a.example.com`
 
 5. To access internal machine B, the only difference is the domain name, assuming the username is "test":
 
-  `ssh -o 'proxycommand socat - PROXY:x.x.x.x:machine-b.example.com:22,proxyport=5002' test@machine-b`
+  `ssh -o 'proxycommand socat - PROXY:x.x.x.x:%h:%p,proxyport=5002' test@machine-b.example.com`
 
 ### Accessing Internal Web Services with Custom Domains in LAN
 
@@ -348,7 +388,6 @@ You may substitute `https2https` for the plugin, and point the `localAddr` to a
   # frpc.toml
   serverAddr = "x.x.x.x"
   serverPort = 7000
-  vhostHTTPSPort = 443
 
   [[proxies]]
   name = "test_https2http"
@@ -484,7 +523,7 @@ name = "ssh"
 type = "tcp"
 localIP = "127.0.0.1"
 localPort = 22
-remotePort = "{{ .Envs.FRP_SSH_REMOTE_PORT }}"
+remotePort = {{ .Envs.FRP_SSH_REMOTE_PORT }}
 ```
 
 With the config above, variables can be passed into `frpc` program like this:
@@ -526,6 +565,8 @@ Check frp's status and proxies' statistics information by Dashboard.
 Configure a port for dashboard to enable this feature:
 
 ```toml
+# The default value is 127.0.0.1. Change it to 0.0.0.0 when you want to access it from a public network.
+webServer.addr = "0.0.0.0"
 webServer.port = 7500
 # dashboard's username and password are both optional
 webServer.user = "admin"
@@ -592,6 +633,21 @@ When specifying `auth.method = "token"` in `frpc.toml` and `frps.toml` - token b
 
 Make sure to specify the same `auth.token` in `frps.toml` and `frpc.toml` for frpc to pass frps validation
 
+##### Token Source
+
+frp supports reading authentication tokens from external sources using the `tokenSource` configuration. Currently, file-based token source is supported.
+
+**File-based token source:**
+
+```toml
+# frpc.toml
+auth.method = "token"
+auth.tokenSource.type = "file"
+auth.tokenSource.file.path = "/path/to/token/file"
+```
+
+The token will be read from the specified file at startup. This is useful for scenarios where tokens are managed by external systems or need to be kept separate from configuration files for security reasons.
+
 #### OIDC Authentication
 
 When specifying `auth.method = "oidc"` in `frpc.toml` and `frps.toml` - OIDC based authentication will be used.
@@ -799,7 +855,7 @@ You can disable this feature by modify `frps.toml` and `frpc.toml`:
 
 ```toml
 # frps.toml and frpc.toml, must be same
-tcpMux = false
+transport.tcpMux = false
 ```
 
 ### Support KCP Protocol
@@ -978,7 +1034,7 @@ The HTTP request will have the `Host` header rewritten to `Host: dev.example.com
 
 ### Setting other HTTP Headers
 
-Similar to `Host`, You can override other HTTP request headers with proxy type `http`.
+Similar to `Host`, You can override other HTTP request and response headers with proxy type `http`.
 
 ```toml
 # frpc.toml
@@ -990,21 +1046,22 @@ localPort = 80
 customDomains = ["test.example.com"]
 hostHeaderRewrite = "dev.example.com"
 requestHeaders.set.x-from-where = "frp"
+responseHeaders.set.foo = "bar"
 ```
 
-In this example, it will set header `x-from-where: frp` in the HTTP request.
+In this example, it will set header `x-from-where: frp` in the HTTP request and `foo: bar` in the HTTP response.
 
 ### Get Real IP
 
 #### HTTP X-Forwarded-For
 
-This feature is for http proxy only.
+This feature is for `http` proxies or proxies with the `https2http` and `https2https` plugins enabled.
 
 You can get user's real IP from HTTP request headers `X-Forwarded-For`.
 
 #### Proxy Protocol
 
-frp supports Proxy Protocol to send user's real IP to local services. It support all types except UDP.
+frp supports Proxy Protocol to send user's real IP to local services.
 
 Here is an example for https service:
 
@@ -1154,6 +1211,24 @@ serverPort = 7000
 transport.proxyURL = "http://user:pwd@192.168.1.128:8080"
 ```
 
+### Port range mapping
+
+*Added in v0.56.0*
+
+We can use the range syntax of Go template combined with the built-in `parseNumberRangePair` function to achieve port range mapping.
+
+The following example, when run, will create 8 proxies named `test-6000, test-6001 ... test-6007`, each mapping the remote port to the local port.
+
+```
+{{- range $_, $v := parseNumberRangePair "6000-6006,6007" "6000-6006,6007" }}
+[[proxies]]
+name = "tcp-{{ $v.First }}"
+type = "tcp"
+localPort = {{ $v.First }}
+remotePort = {{ $v.Second }}
+{{- end }}
+```
+
 ### Client Plugins
 
 frpc only forwards requests to local TCP or UDP ports by default.
@@ -1221,6 +1296,44 @@ frpc tcp --proxy_name "test-tcp" --local_ip 127.0.0.1 --local_port 8080 --remote
 
 Please refer to this [document](/doc/ssh_tunnel_gateway.md) for more information.
 
+### Virtual Network (VirtualNet)
+
+*Alpha feature added in v0.62.0*
+
+The VirtualNet feature enables frp to create and manage virtual network connections between clients and visitors through a TUN interface. This allows for IP-level routing between machines, extending frp beyond simple port forwarding to support full network connectivity.
+
+For detailed information about configuration and usage, please refer to the [VirtualNet documentation](/doc/virtual_net.md).
+
+## Feature Gates
+
+frp supports feature gates to enable or disable experimental features. This allows users to try out new features before they're considered stable.
+
+### Available Feature Gates
+
+| Name | Stage | Default | Description |
+|------|-------|---------|-------------|
+| VirtualNet | ALPHA | false | Virtual network capabilities for frp |
+
+### Enabling Feature Gates
+
+To enable an experimental feature, add the feature gate to your configuration:
+
+```toml
+featureGates = { VirtualNet = true }
+```
+
+### Feature Lifecycle
+
+Features typically go through three stages:
+1. **ALPHA**: Disabled by default, may be unstable
+2. **BETA**: May be enabled by default, more stable but still evolving
+3. **GA (Generally Available)**: Enabled by default, ready for production use
+
+## Related Projects
+
+* [gofrp/plugin](https://github.com/gofrp/plugin) - A repository for frp plugins that contains a variety of plugins implemented based on the frp extension mechanism, meeting the customization needs of different scenarios.
+* [gofrp/tiny-frpc](https://github.com/gofrp/tiny-frpc) - A lightweight version of the frp client (around 3.5MB at minimum) implemented using the ssh protocol, supporting some of the most commonly used features, suitable for devices with limited resources.
+
 ## Contributing
 
 Interested in getting involved? We would like to help you!

README_zh.md

@@ -2,22 +2,55 @@
 
 [![Build Status](https://circleci.com/gh/fatedier/frp.svg?style=shield)](https://circleci.com/gh/fatedier/frp)
 [![GitHub release](https://img.shields.io/github/tag/fatedier/frp.svg?label=release)](https://github.com/fatedier/frp/releases)
+[![Go Report Card](https://goreportcard.com/badge/github.com/fatedier/frp)](https://goreportcard.com/report/github.com/fatedier/frp)
+[![GitHub Releases Stats](https://img.shields.io/github/downloads/fatedier/frp/total.svg?logo=github)](https://somsubhra.github.io/github-release-stats/?username=fatedier&repository=frp)
 
 [README](README.md) | [中文文档](README_zh.md)
 
 frp 是一个专注于内网穿透的高性能的反向代理应用，支持 TCP、UDP、HTTP、HTTPS 等多种协议，且支持 P2P 通信。可以将内网服务以安全、便捷的方式通过具有公网 IP 节点的中转暴露到公网。
 
+## Sponsors
+
+frp 是一个完全开源的项目，我们的开发工作完全依靠赞助者们的支持。如果你愿意加入他们的行列，请考虑 [赞助 frp 的开发](https://github.com/sponsors/fatedier)。
+
 <h3 align="center">Gold Sponsors</h3>
 <!--gold sponsors start-->
 <p align="center">
-  <a href="https://workos.com/?utm_campaign=github_repo&utm_medium=referral&utm_content=frp&utm_source=github" target="_blank">
-    <img width="350px" src="https://raw.githubusercontent.com/fatedier/frp/dev/doc/pic/sponsor_workos.png">
-  </a>
-  <a>&nbsp</a>
-  <a href="https://www.nango.dev?utm_source=github&utm_medium=oss-banner&utm_campaign=fatedier-frp" target="_blank">
-    <img width="400px" src="https://raw.githubusercontent.com/fatedier/frp/dev/doc/pic/sponsor_nango.png">
+  <a href="https://requestly.com/?utm_source=github&utm_medium=partnered&utm_campaign=frp" target="_blank">
+    <img width="480px" src="https://github.com/user-attachments/assets/24670320-997d-4d62-9bca-955c59fe883d">
+    <br>
+    <b>Requestly - Free & Open-Source alternative to Postman</b>
+    <br>
+    <sub>All-in-one platform to Test, Mock and Intercept APIs.</sub>
   </a>
 </p>
+
+<p align="center">
+  <a href="https://jb.gg/frp" target="_blank">
+    <img width="420px" src="https://raw.githubusercontent.com/fatedier/frp/dev/doc/pic/sponsor_jetbrains.jpg">
+	<br>
+	<b>The complete IDE crafted for professional Go developers</b>
+  </a>
+</p>
+
+<p align="center">
+  <a href="https://github.com/beclab/Olares" target="_blank">
+    <img width="420px" src="https://raw.githubusercontent.com/fatedier/frp/dev/doc/pic/sponsor_olares.jpeg">
+	<br>
+	<b>The sovereign cloud that puts you in control</b>
+	<br>
+	<sub>An open source, self-hosted alternative to public clouds, built for data ownership and privacy</sub>
+  </a>
+</p>
+<div align="center">
+
+## Recall.ai - API for meeting recordings
+
+If you're looking for a meeting recording API, consider checking out [Recall.ai](https://www.recall.ai/?utm_source=github&utm_medium=sponsorship&utm_campaign=fatedier-frp),
+
+an API that records Zoom, Google Meet, Microsoft Teams, in-person meetings, and more.
+
+</div>
 <!--gold sponsors end-->
 
 ## 为什么使用 frp ？
@@ -70,7 +103,12 @@ frp 是一个免费且开源的项目，我们欢迎任何人为其开发和进
 * 贡献代码请提交 PR 至 dev 分支，master 分支仅用于发布稳定可用版本。
 * 如果你有任何其他方面的问题或合作，欢迎发送邮件至 fatedier@gmail.com 。
 
-**提醒：和项目相关的问题最好在 [issues](https://github.com/fatedier/frp/issues) 中反馈，这样方便其他有类似问题的人可以快速查找解决方法，并且也避免了我们重复回答一些问题。**
+**提醒：和项目相关的问题请在 [issues](https://github.com/fatedier/frp/issues) 中反馈，这样方便其他有类似问题的人可以快速查找解决方法，并且也避免了我们重复回答一些问题。**
+
+## 关联项目
+
+* [gofrp/plugin](https://github.com/gofrp/plugin) - frp 插件仓库，收录了基于 frp 扩展机制实现的各种插件，满足各种场景下的定制化需求。
+* [gofrp/tiny-frpc](https://github.com/gofrp/tiny-frpc) - 基于 ssh 协议实现的 frp 客户端的精简版本(最低约 3.5MB 左右)，支持常用的部分功能，适用于资源有限的设备。
 
 ## 赞助
 
@@ -82,16 +120,6 @@ frp 是一个免费且开源的项目，我们欢迎任何人为其开发和进
 
 您可以通过 [GitHub Sponsors](https://github.com/sponsors/fatedier) 赞助我们。
 
-国内用户可以通过 [爱发电](https://afdian.net/a/fatedier) 赞助我们。
+国内用户可以通过 [爱发电](https://afdian.com/a/fatedier) 赞助我们。
 
 企业赞助者可以将贵公司的 Logo 以及链接放置在项目 README 文件中。
-
-### 知识星球
-
-如果您想了解更多 frp 相关技术以及更新详解，或者寻求任何 frp 使用方面的帮助，都可以通过微信扫描下方的二维码付费加入知识星球的官方社群：
-
-![zsxq](/doc/pic/zsxq.jpg)
-
-### 微信支付捐赠
-
-![donate-wechatpay](/doc/pic/donate-wechatpay.png)

Release.md

@@ -1,3 +1,8 @@
-### Fixes
+## Features
 
-* frpc has a certain chance to panic when login: close of closed channel.
+* frpc now supports a `clientID` option to uniquely identify client instances. The server dashboard displays all connected clients with their online/offline status, connection history, and metadata, making it easier to monitor and manage multiple frpc deployments.
+* Redesigned the frp web dashboard with a modern UI, dark mode support, and improved navigation.
+
+## Fixes
+
+* Fixed UDP proxy protocol sending header on every packet instead of only the first packet of each session.

assets/assets.go

@@ -41,7 +41,7 @@ func Load(path string) {
 }
 
 func Register(fileSystem fs.FS) {
-	subFs, err := fs.Sub(fileSystem, "static")
+	subFs, err := fs.Sub(fileSystem, "dist")
 	if err == nil {
 		content = subFs
 	}

assets/frpc/static/index.html

@@ -1,16 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-    <meta charset="utf-8">
-    <title>frp client admin UI</title>
-  <script type="module" crossorigin src="./index-1c7ed8b0.js"></script>
-  <link rel="stylesheet" href="./index-1e2a7ce0.css">
-</head>
-
-<body>
-    <div id="app"></div>
-    
-</body>
-
-</html>

assets/frps/embed.go

@@ -1,14 +0,0 @@
-package frpc
-
-import (
-	"embed"
-
-	"github.com/fatedier/frp/assets"
-)
-
-//go:embed static/*
-var content embed.FS
-
-func init() {
-	assets.Register(content)
-}

assets/frps/static/index.html

@@ -1,16 +0,0 @@
-<!DOCTYPE html>
-<html lang="en" class="dark">
-
-<head>
-    <meta charset="utf-8">
-    <title>frps dashboard</title>
-  <script type="module" crossorigin src="./index-c322b7dd.js"></script>
-  <link rel="stylesheet" href="./index-1e0c7400.css">
-</head>
-
-<body>
-    <div id="app"></div>
-    
-</body>
-
-</html>

client/admin_api.go

@@ -15,46 +15,29 @@
 package client
 
 import (
-	"encoding/json"
-	"fmt"
-	"io"
-	"net"
 	"net/http"
-	"os"
-	"sort"
-	"strconv"
-	"strings"
-	"time"
-
-	"github.com/samber/lo"
 
+	"github.com/fatedier/frp/client/api"
 	"github.com/fatedier/frp/client/proxy"
-	"github.com/fatedier/frp/pkg/config"
-	"github.com/fatedier/frp/pkg/config/v1/validation"
 	httppkg "github.com/fatedier/frp/pkg/util/http"
-	"github.com/fatedier/frp/pkg/util/log"
 	netpkg "github.com/fatedier/frp/pkg/util/net"
 )
 
-type GeneralResponse struct {
-	Code int
-	Msg  string
-}
-
 func (svr *Service) registerRouteHandlers(helper *httppkg.RouterRegisterHelper) {
-	helper.Router.HandleFunc("/healthz", svr.healthz)
+	apiController := newAPIController(svr)
+
+	// Healthz endpoint without auth
+	helper.Router.HandleFunc("/healthz", healthz)
+
+	// API routes and static files with auth
 	subRouter := helper.Router.NewRoute().Subrouter()
-
-	subRouter.Use(helper.AuthMiddleware.Middleware)
-
-	// api, see admin_api.go
-	subRouter.HandleFunc("/api/reload", svr.apiReload).Methods("GET")
-	subRouter.HandleFunc("/api/stop", svr.apiStop).Methods("POST")
-	subRouter.HandleFunc("/api/status", svr.apiStatus).Methods("GET")
-	subRouter.HandleFunc("/api/config", svr.apiGetConfig).Methods("GET")
-	subRouter.HandleFunc("/api/config", svr.apiPutConfig).Methods("PUT")
-
-	// view
+	subRouter.Use(helper.AuthMiddleware)
+	subRouter.Use(httppkg.NewRequestLogger)
+	subRouter.HandleFunc("/api/reload", httppkg.MakeHTTPHandlerFunc(apiController.Reload)).Methods(http.MethodGet)
+	subRouter.HandleFunc("/api/stop", httppkg.MakeHTTPHandlerFunc(apiController.Stop)).Methods(http.MethodPost)
+	subRouter.HandleFunc("/api/status", httppkg.MakeHTTPHandlerFunc(apiController.Status)).Methods(http.MethodGet)
+	subRouter.HandleFunc("/api/config", httppkg.MakeHTTPHandlerFunc(apiController.GetConfig)).Methods(http.MethodGet)
+	subRouter.HandleFunc("/api/config", httppkg.MakeHTTPHandlerFunc(apiController.PutConfig)).Methods(http.MethodPut)
 	subRouter.Handle("/favicon.ico", http.FileServer(helper.AssetsFS)).Methods("GET")
 	subRouter.PathPrefix("/static/").Handler(
 		netpkg.MakeHTTPGzipHandler(http.StripPrefix("/static/", http.FileServer(helper.AssetsFS))),
@@ -64,201 +47,28 @@ func (svr *Service) registerRouteHandlers(helper *httppkg.RouterRegisterHelper)
 	})
 }
 
-// /healthz
-func (svr *Service) healthz(w http.ResponseWriter, _ *http.Request) {
-	w.WriteHeader(200)
+func healthz(w http.ResponseWriter, _ *http.Request) {
+	w.WriteHeader(http.StatusOK)
 }
 
-// GET /api/reload
-func (svr *Service) apiReload(w http.ResponseWriter, r *http.Request) {
-	res := GeneralResponse{Code: 200}
-	strictConfigMode := false
-	strictStr := r.URL.Query().Get("strictConfig")
-	if strictStr != "" {
-		strictConfigMode, _ = strconv.ParseBool(strictStr)
-	}
-
-	log.Info("api request [/api/reload]")
-	defer func() {
-		log.Info("api response [/api/reload], code [%d]", res.Code)
-		w.WriteHeader(res.Code)
-		if len(res.Msg) > 0 {
-			_, _ = w.Write([]byte(res.Msg))
-		}
-	}()
-
-	cliCfg, proxyCfgs, visitorCfgs, _, err := config.LoadClientConfig(svr.configFilePath, strictConfigMode)
-	if err != nil {
-		res.Code = 400
-		res.Msg = err.Error()
-		log.Warn("reload frpc proxy config error: %s", res.Msg)
-		return
-	}
-	if _, err := validation.ValidateAllClientConfig(cliCfg, proxyCfgs, visitorCfgs); err != nil {
-		res.Code = 400
-		res.Msg = err.Error()
-		log.Warn("reload frpc proxy config error: %s", res.Msg)
-		return
-	}
-
-	if err := svr.UpdateAllConfigurer(proxyCfgs, visitorCfgs); err != nil {
-		res.Code = 500
-		res.Msg = err.Error()
-		log.Warn("reload frpc proxy config error: %s", res.Msg)
-		return
-	}
-	log.Info("success reload conf")
+func newAPIController(svr *Service) *api.Controller {
+	return api.NewController(api.ControllerParams{
+		GetProxyStatus: svr.getAllProxyStatus,
+		ServerAddr:     svr.common.ServerAddr,
+		ConfigFilePath: svr.configFilePath,
+		UnsafeFeatures: svr.unsafeFeatures,
+		UpdateConfig:   svr.UpdateAllConfigurer,
+		GracefulClose:  svr.GracefulClose,
+	})
 }
 
-// POST /api/stop
-func (svr *Service) apiStop(w http.ResponseWriter, _ *http.Request) {
-	res := GeneralResponse{Code: 200}
-
-	log.Info("api request [/api/stop]")
-	defer func() {
-		log.Info("api response [/api/stop], code [%d]", res.Code)
-		w.WriteHeader(res.Code)
-		if len(res.Msg) > 0 {
-			_, _ = w.Write([]byte(res.Msg))
-		}
-	}()
-
-	go svr.GracefulClose(100 * time.Millisecond)
-}
-
-type StatusResp map[string][]ProxyStatusResp
-
-type ProxyStatusResp struct {
-	Name       string `json:"name"`
-	Type       string `json:"type"`
-	Status     string `json:"status"`
-	Err        string `json:"err"`
-	LocalAddr  string `json:"local_addr"`
-	Plugin     string `json:"plugin"`
-	RemoteAddr string `json:"remote_addr"`
-}
-
-func NewProxyStatusResp(status *proxy.WorkingStatus, serverAddr string) ProxyStatusResp {
-	psr := ProxyStatusResp{
-		Name:   status.Name,
-		Type:   status.Type,
-		Status: status.Phase,
-		Err:    status.Err,
-	}
-	baseCfg := status.Cfg.GetBaseConfig()
-	if baseCfg.LocalPort != 0 {
-		psr.LocalAddr = net.JoinHostPort(baseCfg.LocalIP, strconv.Itoa(baseCfg.LocalPort))
-	}
-	psr.Plugin = baseCfg.Plugin.Type
-
-	if status.Err == "" {
-		psr.RemoteAddr = status.RemoteAddr
-		if lo.Contains([]string{"tcp", "udp"}, status.Type) {
-			psr.RemoteAddr = serverAddr + psr.RemoteAddr
-		}
-	}
-	return psr
-}
-
-// GET /api/status
-func (svr *Service) apiStatus(w http.ResponseWriter, _ *http.Request) {
-	var (
-		buf []byte
-		res StatusResp = make(map[string][]ProxyStatusResp)
-	)
-
-	log.Info("Http request [/api/status]")
-	defer func() {
-		log.Info("Http response [/api/status]")
-		buf, _ = json.Marshal(&res)
-		_, _ = w.Write(buf)
-	}()
-
+// getAllProxyStatus returns all proxy statuses.
+func (svr *Service) getAllProxyStatus() []*proxy.WorkingStatus {
 	svr.ctlMu.RLock()
 	ctl := svr.ctl
 	svr.ctlMu.RUnlock()
 	if ctl == nil {
-		return
-	}
-
-	ps := ctl.pm.GetAllProxyStatus()
-	for _, status := range ps {
-		res[status.Type] = append(res[status.Type], NewProxyStatusResp(status, svr.common.ServerAddr))
-	}
-
-	for _, arrs := range res {
-		if len(arrs) <= 1 {
-			continue
-		}
-		sort.Slice(arrs, func(i, j int) bool {
-			return strings.Compare(arrs[i].Name, arrs[j].Name) < 0
-		})
-	}
-}
-
-// GET /api/config
-func (svr *Service) apiGetConfig(w http.ResponseWriter, _ *http.Request) {
-	res := GeneralResponse{Code: 200}
-
-	log.Info("Http get request [/api/config]")
-	defer func() {
-		log.Info("Http get response [/api/config], code [%d]", res.Code)
-		w.WriteHeader(res.Code)
-		if len(res.Msg) > 0 {
-			_, _ = w.Write([]byte(res.Msg))
-		}
-	}()
-
-	if svr.configFilePath == "" {
-		res.Code = 400
-		res.Msg = "frpc has no config file path"
-		log.Warn("%s", res.Msg)
-		return
-	}
-
-	content, err := os.ReadFile(svr.configFilePath)
-	if err != nil {
-		res.Code = 400
-		res.Msg = err.Error()
-		log.Warn("load frpc config file error: %s", res.Msg)
-		return
-	}
-	res.Msg = string(content)
-}
-
-// PUT /api/config
-func (svr *Service) apiPutConfig(w http.ResponseWriter, r *http.Request) {
-	res := GeneralResponse{Code: 200}
-
-	log.Info("Http put request [/api/config]")
-	defer func() {
-		log.Info("Http put response [/api/config], code [%d]", res.Code)
-		w.WriteHeader(res.Code)
-		if len(res.Msg) > 0 {
-			_, _ = w.Write([]byte(res.Msg))
-		}
-	}()
-
-	// get new config content
-	body, err := io.ReadAll(r.Body)
-	if err != nil {
-		res.Code = 400
-		res.Msg = fmt.Sprintf("read request body error: %v", err)
-		log.Warn("%s", res.Msg)
-		return
-	}
-
-	if len(body) == 0 {
-		res.Code = 400
-		res.Msg = "body can't be empty"
-		log.Warn("%s", res.Msg)
-		return
-	}
-
-	if err := os.WriteFile(svr.configFilePath, body, 0o644); err != nil {
-		res.Code = 500
-		res.Msg = fmt.Sprintf("write content to frpc config file error: %v", err)
-		log.Warn("%s", res.Msg)
-		return
+		return nil
 	}
+	return ctl.pm.GetAllProxyStatus()
 }

client/api/controller.go

@@ -0,0 +1,189 @@
+// Copyright 2025 The frp Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package api
+
+import (
+	"cmp"
+	"fmt"
+	"net"
+	"net/http"
+	"os"
+	"slices"
+	"strconv"
+	"time"
+
+	"github.com/fatedier/frp/client/proxy"
+	"github.com/fatedier/frp/pkg/config"
+	v1 "github.com/fatedier/frp/pkg/config/v1"
+	"github.com/fatedier/frp/pkg/config/v1/validation"
+	"github.com/fatedier/frp/pkg/policy/security"
+	httppkg "github.com/fatedier/frp/pkg/util/http"
+	"github.com/fatedier/frp/pkg/util/log"
+)
+
+// Controller handles HTTP API requests for frpc.
+type Controller struct {
+	// getProxyStatus returns the current proxy status.
+	// Returns nil if the control connection is not established.
+	getProxyStatus func() []*proxy.WorkingStatus
+
+	// serverAddr is the frps server address for display.
+	serverAddr string
+
+	// configFilePath is the path to the configuration file.
+	configFilePath string
+
+	// unsafeFeatures is used for validation.
+	unsafeFeatures *security.UnsafeFeatures
+
+	// updateConfig updates proxy and visitor configurations.
+	updateConfig func(proxyCfgs []v1.ProxyConfigurer, visitorCfgs []v1.VisitorConfigurer) error
+
+	// gracefulClose gracefully stops the service.
+	gracefulClose func(d time.Duration)
+}
+
+// ControllerParams contains parameters for creating an APIController.
+type ControllerParams struct {
+	GetProxyStatus func() []*proxy.WorkingStatus
+	ServerAddr     string
+	ConfigFilePath string
+	UnsafeFeatures *security.UnsafeFeatures
+	UpdateConfig   func(proxyCfgs []v1.ProxyConfigurer, visitorCfgs []v1.VisitorConfigurer) error
+	GracefulClose  func(d time.Duration)
+}
+
+// NewController creates a new Controller.
+func NewController(params ControllerParams) *Controller {
+	return &Controller{
+		getProxyStatus: params.GetProxyStatus,
+		serverAddr:     params.ServerAddr,
+		configFilePath: params.ConfigFilePath,
+		unsafeFeatures: params.UnsafeFeatures,
+		updateConfig:   params.UpdateConfig,
+		gracefulClose:  params.GracefulClose,
+	}
+}
+
+// Reload handles GET /api/reload
+func (c *Controller) Reload(ctx *httppkg.Context) (any, error) {
+	strictConfigMode := false
+	strictStr := ctx.Query("strictConfig")
+	if strictStr != "" {
+		strictConfigMode, _ = strconv.ParseBool(strictStr)
+	}
+
+	cliCfg, proxyCfgs, visitorCfgs, _, err := config.LoadClientConfig(c.configFilePath, strictConfigMode)
+	if err != nil {
+		log.Warnf("reload frpc proxy config error: %s", err.Error())
+		return nil, httppkg.NewError(http.StatusBadRequest, err.Error())
+	}
+
+	if _, err := validation.ValidateAllClientConfig(cliCfg, proxyCfgs, visitorCfgs, c.unsafeFeatures); err != nil {
+		log.Warnf("reload frpc proxy config error: %s", err.Error())
+		return nil, httppkg.NewError(http.StatusBadRequest, err.Error())
+	}
+
+	if err := c.updateConfig(proxyCfgs, visitorCfgs); err != nil {
+		log.Warnf("reload frpc proxy config error: %s", err.Error())
+		return nil, httppkg.NewError(http.StatusInternalServerError, err.Error())
+	}
+
+	log.Infof("success reload conf")
+	return nil, nil
+}
+
+// Stop handles POST /api/stop
+func (c *Controller) Stop(ctx *httppkg.Context) (any, error) {
+	go c.gracefulClose(100 * time.Millisecond)
+	return nil, nil
+}
+
+// Status handles GET /api/status
+func (c *Controller) Status(ctx *httppkg.Context) (any, error) {
+	res := make(StatusResp)
+	ps := c.getProxyStatus()
+	if ps == nil {
+		return res, nil
+	}
+
+	for _, status := range ps {
+		res[status.Type] = append(res[status.Type], c.buildProxyStatusResp(status))
+	}
+
+	for _, arrs := range res {
+		if len(arrs) <= 1 {
+			continue
+		}
+		slices.SortFunc(arrs, func(a, b ProxyStatusResp) int {
+			return cmp.Compare(a.Name, b.Name)
+		})
+	}
+	return res, nil
+}
+
+// GetConfig handles GET /api/config
+func (c *Controller) GetConfig(ctx *httppkg.Context) (any, error) {
+	if c.configFilePath == "" {
+		return nil, httppkg.NewError(http.StatusBadRequest, "frpc has no config file path")
+	}
+
+	content, err := os.ReadFile(c.configFilePath)
+	if err != nil {
+		log.Warnf("load frpc config file error: %s", err.Error())
+		return nil, httppkg.NewError(http.StatusBadRequest, err.Error())
+	}
+	return string(content), nil
+}
+
+// PutConfig handles PUT /api/config
+func (c *Controller) PutConfig(ctx *httppkg.Context) (any, error) {
+	body, err := ctx.Body()
+	if err != nil {
+		return nil, httppkg.NewError(http.StatusBadRequest, fmt.Sprintf("read request body error: %v", err))
+	}
+
+	if len(body) == 0 {
+		return nil, httppkg.NewError(http.StatusBadRequest, "body can't be empty")
+	}
+
+	if err := os.WriteFile(c.configFilePath, body, 0o600); err != nil {
+		return nil, httppkg.NewError(http.StatusInternalServerError, fmt.Sprintf("write content to frpc config file error: %v", err))
+	}
+	return nil, nil
+}
+
+// buildProxyStatusResp creates a ProxyStatusResp from proxy.WorkingStatus
+func (c *Controller) buildProxyStatusResp(status *proxy.WorkingStatus) ProxyStatusResp {
+	psr := ProxyStatusResp{
+		Name:   status.Name,
+		Type:   status.Type,
+		Status: status.Phase,
+		Err:    status.Err,
+	}
+	baseCfg := status.Cfg.GetBaseConfig()
+	if baseCfg.LocalPort != 0 {
+		psr.LocalAddr = net.JoinHostPort(baseCfg.LocalIP, strconv.Itoa(baseCfg.LocalPort))
+	}
+	psr.Plugin = baseCfg.Plugin.Type
+
+	if status.Err == "" {
+		psr.RemoteAddr = status.RemoteAddr
+		if slices.Contains([]string{"tcp", "udp"}, status.Type) {
+			psr.RemoteAddr = c.serverAddr + psr.RemoteAddr
+		}
+	}
+	return psr
+}

client/api/types.go

@@ -0,0 +1,29 @@
+// Copyright 2025 The frp Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package api
+
+// StatusResp is the response for GET /api/status
+type StatusResp map[string][]ProxyStatusResp
+
+// ProxyStatusResp contains proxy status information
+type ProxyStatusResp struct {
+	Name       string `json:"name"`
+	Type       string `json:"type"`
+	Status     string `json:"status"`
+	Err        string `json:"err"`
+	LocalAddr  string `json:"local_addr"`
+	Plugin     string `json:"plugin"`
+	RemoteAddr string `json:"remote_addr"`
+}

client/connector.go

@@ -17,14 +17,13 @@ package client
 import (
 	"context"
 	"crypto/tls"
-	"io"
 	"net"
 	"strconv"
 	"strings"
 	"sync"
 	"time"
 
-	libdial "github.com/fatedier/golib/net/dial"
+	libnet "github.com/fatedier/golib/net"
 	fmux "github.com/hashicorp/yamux"
 	quic "github.com/quic-go/quic-go"
 	"github.com/samber/lo"
@@ -35,7 +34,7 @@ import (
 	"github.com/fatedier/frp/pkg/util/xlog"
 )
 
-// Connector is a interface for establishing connections to the server.
+// Connector is an interface for establishing connections to the server.
 type Connector interface {
 	Open() error
 	Connect() (net.Conn, error)
@@ -48,7 +47,7 @@ type defaultConnectorImpl struct {
 	cfg *v1.ClientCommonConfig
 
 	muxSession *fmux.Session
-	quicConn   quic.Connection
+	quicConn   *quic.Conn
 	closeOnce  sync.Once
 }
 
@@ -59,7 +58,7 @@ func NewConnector(ctx context.Context, cfg *v1.ClientCommonConfig) Connector {
 	}
 }
 
-// Open opens a underlying connection to the server.
+// Open opens an underlying connection to the server.
 // The underlying connection is either a TCP connection or a QUIC connection.
 // After the underlying connection is established, you can call Connect() to get a stream.
 // If TCPMux isn't enabled, the underlying connection is nil, you will get a new real TCP connection every time you call Connect().
@@ -84,7 +83,7 @@ func (c *defaultConnectorImpl) Open() error {
 			tlsConfig, err = transport.NewClientTLSConfig("", "", "", sn)
 		}
 		if err != nil {
-			xl.Warn("fail to build tls configuration, err: %v", err)
+			xl.Warnf("fail to build tls configuration, err: %v", err)
 			return err
 		}
 		tlsConfig.NextProtos = []string{"frp"}
@@ -115,7 +114,8 @@ func (c *defaultConnectorImpl) Open() error {
 
 	fmuxCfg := fmux.DefaultConfig()
 	fmuxCfg.KeepAliveInterval = time.Duration(c.cfg.Transport.TCPMuxKeepaliveInterval) * time.Second
-	fmuxCfg.LogOutput = io.Discard
+	// Use trace level for yamux logs
+	fmuxCfg.LogOutput = xlog.NewTraceWriter(xl)
 	fmuxCfg.MaxStreamWindowSize = 6 * 1024 * 1024
 	session, err := fmux.Client(conn, fmuxCfg)
 	if err != nil {
@@ -164,49 +164,49 @@ func (c *defaultConnectorImpl) realConnect() (net.Conn, error) {
 			c.cfg.Transport.TLS.TrustedCaFile,
 			sn)
 		if err != nil {
-			xl.Warn("fail to build tls configuration, err: %v", err)
+			xl.Warnf("fail to build tls configuration, err: %v", err)
 			return nil, err
 		}
 	}
 
-	proxyType, addr, auth, err := libdial.ParseProxyURL(c.cfg.Transport.ProxyURL)
+	proxyType, addr, auth, err := libnet.ParseProxyURL(c.cfg.Transport.ProxyURL)
 	if err != nil {
-		xl.Error("fail to parse proxy url")
+		xl.Errorf("fail to parse proxy url")
 		return nil, err
 	}
-	dialOptions := []libdial.DialOption{}
+	dialOptions := []libnet.DialOption{}
 	protocol := c.cfg.Transport.Protocol
 	switch protocol {
 	case "websocket":
 		protocol = "tcp"
-		dialOptions = append(dialOptions, libdial.WithAfterHook(libdial.AfterHook{Hook: netpkg.DialHookWebsocket(protocol, "")}))
-		dialOptions = append(dialOptions, libdial.WithAfterHook(libdial.AfterHook{
+		dialOptions = append(dialOptions, libnet.WithAfterHook(libnet.AfterHook{Hook: netpkg.DialHookWebsocket(protocol, "")}))
+		dialOptions = append(dialOptions, libnet.WithAfterHook(libnet.AfterHook{
 			Hook: netpkg.DialHookCustomTLSHeadByte(tlsConfig != nil, lo.FromPtr(c.cfg.Transport.TLS.DisableCustomTLSFirstByte)),
 		}))
-		dialOptions = append(dialOptions, libdial.WithTLSConfig(tlsConfig))
+		dialOptions = append(dialOptions, libnet.WithTLSConfig(tlsConfig))
 	case "wss":
 		protocol = "tcp"
-		dialOptions = append(dialOptions, libdial.WithTLSConfigAndPriority(100, tlsConfig))
+		dialOptions = append(dialOptions, libnet.WithTLSConfigAndPriority(100, tlsConfig))
 		// Make sure that if it is wss, the websocket hook is executed after the tls hook.
-		dialOptions = append(dialOptions, libdial.WithAfterHook(libdial.AfterHook{Hook: netpkg.DialHookWebsocket(protocol, tlsConfig.ServerName), Priority: 110}))
+		dialOptions = append(dialOptions, libnet.WithAfterHook(libnet.AfterHook{Hook: netpkg.DialHookWebsocket(protocol, tlsConfig.ServerName), Priority: 110}))
 	default:
-		dialOptions = append(dialOptions, libdial.WithAfterHook(libdial.AfterHook{
+		dialOptions = append(dialOptions, libnet.WithAfterHook(libnet.AfterHook{
 			Hook: netpkg.DialHookCustomTLSHeadByte(tlsConfig != nil, lo.FromPtr(c.cfg.Transport.TLS.DisableCustomTLSFirstByte)),
 		}))
-		dialOptions = append(dialOptions, libdial.WithTLSConfig(tlsConfig))
+		dialOptions = append(dialOptions, libnet.WithTLSConfig(tlsConfig))
 	}
 
 	if c.cfg.Transport.ConnectServerLocalIP != "" {
-		dialOptions = append(dialOptions, libdial.WithLocalAddr(c.cfg.Transport.ConnectServerLocalIP))
+		dialOptions = append(dialOptions, libnet.WithLocalAddr(c.cfg.Transport.ConnectServerLocalIP))
 	}
 	dialOptions = append(dialOptions,
-		libdial.WithProtocol(protocol),
-		libdial.WithTimeout(time.Duration(c.cfg.Transport.DialServerTimeout)*time.Second),
-		libdial.WithKeepAlive(time.Duration(c.cfg.Transport.DialServerKeepAlive)*time.Second),
-		libdial.WithProxy(proxyType, addr),
-		libdial.WithProxyAuth(auth),
+		libnet.WithProtocol(protocol),
+		libnet.WithTimeout(time.Duration(c.cfg.Transport.DialServerTimeout)*time.Second),
+		libnet.WithKeepAlive(time.Duration(c.cfg.Transport.DialServerKeepAlive)*time.Second),
+		libnet.WithProxy(proxyType, addr),
+		libnet.WithProxyAuth(auth),
 	)
-	conn, err := libdial.DialContext(
+	conn, err := libnet.DialContext(
 		c.ctx,
 		net.JoinHostPort(c.cfg.ServerAddr, strconv.Itoa(c.cfg.ServerPort)),
 		dialOptions...,

client/control.go

@@ -20,8 +20,6 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/samber/lo"
-
 	"github.com/fatedier/frp/client/proxy"
 	"github.com/fatedier/frp/client/visitor"
 	"github.com/fatedier/frp/pkg/auth"
@@ -31,6 +29,7 @@ import (
 	netpkg "github.com/fatedier/frp/pkg/util/net"
 	"github.com/fatedier/frp/pkg/util/wait"
 	"github.com/fatedier/frp/pkg/util/xlog"
+	"github.com/fatedier/frp/pkg/vnet"
 )
 
 type SessionContext struct {
@@ -44,10 +43,12 @@ type SessionContext struct {
 	Conn net.Conn
 	// Indicates whether the connection is encrypted.
 	ConnEncrypted bool
-	// Sets authentication based on selected method
-	AuthSetter auth.Setter
+	// Auth runtime used for login, heartbeats, and encryption.
+	Auth *auth.ClientAuth
 	// Connector is used to create new connections, which could be real TCP connections or virtual streams.
 	Connector Connector
+	// Virtual net controller
+	VnetController *vnet.Controller
 }
 
 type Control struct {
@@ -90,7 +91,7 @@ func NewControl(ctx context.Context, sessionCtx *SessionContext) (*Control, erro
 	ctl.lastPong.Store(time.Now())
 
 	if sessionCtx.ConnEncrypted {
-		cryptoRW, err := netpkg.NewCryptoReadWriter(sessionCtx.Conn, []byte(sessionCtx.Common.Auth.Token))
+		cryptoRW, err := netpkg.NewCryptoReadWriter(sessionCtx.Conn, sessionCtx.Auth.EncryptionKey())
 		if err != nil {
 			return nil, err
 		}
@@ -99,10 +100,11 @@ func NewControl(ctx context.Context, sessionCtx *SessionContext) (*Control, erro
 		ctl.msgDispatcher = msg.NewDispatcher(sessionCtx.Conn)
 	}
 	ctl.registerMsgHandlers()
-	ctl.msgTransporter = transport.NewMessageTransporter(ctl.msgDispatcher.SendChannel())
+	ctl.msgTransporter = transport.NewMessageTransporter(ctl.msgDispatcher)
 
-	ctl.pm = proxy.NewManager(ctl.ctx, sessionCtx.Common, ctl.msgTransporter)
-	ctl.vm = visitor.NewManager(ctl.ctx, sessionCtx.RunID, sessionCtx.Common, ctl.connectServer, ctl.msgTransporter)
+	ctl.pm = proxy.NewManager(ctl.ctx, sessionCtx.Common, sessionCtx.Auth.EncryptionKey(), ctl.msgTransporter, sessionCtx.VnetController)
+	ctl.vm = visitor.NewManager(ctl.ctx, sessionCtx.RunID, sessionCtx.Common,
+		ctl.connectServer, ctl.msgTransporter, sessionCtx.VnetController)
 	return ctl, nil
 }
 
@@ -124,31 +126,32 @@ func (ctl *Control) handleReqWorkConn(_ msg.Message) {
 	xl := ctl.xl
 	workConn, err := ctl.connectServer()
 	if err != nil {
-		xl.Warn("start new connection to server error: %v", err)
+		xl.Warnf("start new connection to server error: %v", err)
 		return
 	}
 
 	m := &msg.NewWorkConn{
 		RunID: ctl.sessionCtx.RunID,
 	}
-	if err = ctl.sessionCtx.AuthSetter.SetNewWorkConn(m); err != nil {
-		xl.Warn("error during NewWorkConn authentication: %v", err)
+	if err = ctl.sessionCtx.Auth.Setter.SetNewWorkConn(m); err != nil {
+		xl.Warnf("error during NewWorkConn authentication: %v", err)
+		workConn.Close()
 		return
 	}
 	if err = msg.WriteMsg(workConn, m); err != nil {
-		xl.Warn("work connection write to server error: %v", err)
+		xl.Warnf("work connection write to server error: %v", err)
 		workConn.Close()
 		return
 	}
 
 	var startMsg msg.StartWorkConn
 	if err = msg.ReadMsgInto(workConn, &startMsg); err != nil {
-		xl.Trace("work connection closed before response StartWorkConn message: %v", err)
+		xl.Tracef("work connection closed before response StartWorkConn message: %v", err)
 		workConn.Close()
 		return
 	}
 	if startMsg.Error != "" {
-		xl.Error("StartWorkConn contains error: %s", startMsg.Error)
+		xl.Errorf("StartWorkConn contains error: %s", startMsg.Error)
 		workConn.Close()
 		return
 	}
@@ -164,9 +167,9 @@ func (ctl *Control) handleNewProxyResp(m msg.Message) {
 	// Start a new proxy handler if no error got
 	err := ctl.pm.StartProxy(inMsg.ProxyName, inMsg.RemoteAddr, inMsg.Error)
 	if err != nil {
-		xl.Warn("[%s] start error: %v", inMsg.ProxyName, err)
+		xl.Warnf("[%s] start error: %v", inMsg.ProxyName, err)
 	} else {
-		xl.Info("[%s] start proxy success", inMsg.ProxyName)
+		xl.Infof("[%s] start proxy success", inMsg.ProxyName)
 	}
 }
 
@@ -177,7 +180,7 @@ func (ctl *Control) handleNatHoleResp(m msg.Message) {
 	// Dispatch the NatHoleResp message to the related proxy.
 	ok := ctl.msgTransporter.DispatchWithType(inMsg, msg.TypeNameNatHoleResp, inMsg.TransactionID)
 	if !ok {
-		xl.Trace("dispatch NatHoleResp message to related proxy error")
+		xl.Tracef("dispatch NatHoleResp message to related proxy error")
 	}
 }
 
@@ -186,12 +189,12 @@ func (ctl *Control) handlePong(m msg.Message) {
 	inMsg := m.(*msg.Pong)
 
 	if inMsg.Error != "" {
-		xl.Error("Pong message contains error: %s", inMsg.Error)
+		xl.Errorf("pong message contains error: %s", inMsg.Error)
 		ctl.closeSession()
 		return
 	}
 	ctl.lastPong.Store(time.Now())
-	xl.Debug("receive heartbeat from server")
+	xl.Debugf("receive heartbeat from server")
 }
 
 // closeSession closes the control connection.
@@ -231,19 +234,17 @@ func (ctl *Control) registerMsgHandlers() {
 	ctl.msgDispatcher.RegisterHandler(&msg.Pong{}, ctl.handlePong)
 }
 
-// headerWorker sends heartbeat to server and check heartbeat timeout.
+// heartbeatWorker sends heartbeat to server and check heartbeat timeout.
 func (ctl *Control) heartbeatWorker() {
 	xl := ctl.xl
 
-	// TODO(fatedier): Change default value of HeartbeatInterval to -1 if tcpmux is enabled.
-	// Users can still enable heartbeat feature by setting HeartbeatInterval to a positive value.
 	if ctl.sessionCtx.Common.Transport.HeartbeatInterval > 0 {
-		// send heartbeat to server
+		// Send heartbeat to server.
 		sendHeartBeat := func() (bool, error) {
-			xl.Debug("send heartbeat to server")
+			xl.Debugf("send heartbeat to server")
 			pingMsg := &msg.Ping{}
-			if err := ctl.sessionCtx.AuthSetter.SetPing(pingMsg); err != nil {
-				xl.Warn("error during ping authentication: %v, skip sending ping message", err)
+			if err := ctl.sessionCtx.Auth.Setter.SetPing(pingMsg); err != nil {
+				xl.Warnf("error during ping authentication: %v, skip sending ping message", err)
 				return false, err
 			}
 			_ = ctl.msgDispatcher.Send(pingMsg)
@@ -262,13 +263,11 @@ func (ctl *Control) heartbeatWorker() {
 		)
 	}
 
-	// Check heartbeat timeout only if TCPMux is not enabled and users don't disable heartbeat feature.
-	if ctl.sessionCtx.Common.Transport.HeartbeatInterval > 0 && ctl.sessionCtx.Common.Transport.HeartbeatTimeout > 0 &&
-		!lo.FromPtr(ctl.sessionCtx.Common.Transport.TCPMux) {
-
+	// Check heartbeat timeout.
+	if ctl.sessionCtx.Common.Transport.HeartbeatInterval > 0 && ctl.sessionCtx.Common.Transport.HeartbeatTimeout > 0 {
 		go wait.Until(func() {
 			if time.Since(ctl.lastPong.Load().(time.Time)) > time.Duration(ctl.sessionCtx.Common.Transport.HeartbeatTimeout)*time.Second {
-				xl.Warn("heartbeat timeout")
+				xl.Warnf("heartbeat timeout")
 				ctl.closeSession()
 				return
 			}
@@ -277,10 +276,12 @@ func (ctl *Control) heartbeatWorker() {
 }
 
 func (ctl *Control) worker() {
+	xl := ctl.xl
 	go ctl.heartbeatWorker()
 	go ctl.msgDispatcher.Run()
 
 	<-ctl.msgDispatcher.Done()
+	xl.Debugf("control message dispatcher exited")
 	ctl.closeSession()
 
 	ctl.pm.Close()

client/event/event.go

@@ -8,7 +8,7 @@ import (
 
 var ErrPayloadType = errors.New("error payload type")
 
-type Handler func(payload interface{}) error
+type Handler func(payload any) error
 
 type StartProxyPayload struct {
 	NewProxyMsg *msg.NewProxy

client/health/health.go

@@ -40,8 +40,8 @@ type Monitor struct {
 	addr string
 
 	// For http
-	url string
-
+	url            string
+	header         http.Header
 	failedTimes    uint64
 	statusOK       bool
 	statusNormalFn func()
@@ -73,6 +73,11 @@ func NewMonitor(ctx context.Context, cfg v1.HealthCheckConfig, addr string,
 		}
 		url = s + cfg.Path
 	}
+	header := make(http.Header)
+	for _, h := range cfg.HTTPHeaders {
+		header.Set(h.Name, h.Value)
+	}
+
 	return &Monitor{
 		checkType:      cfg.Type,
 		interval:       time.Duration(cfg.IntervalSeconds) * time.Second,
@@ -80,6 +85,7 @@ func NewMonitor(ctx context.Context, cfg v1.HealthCheckConfig, addr string,
 		maxFailedTimes: cfg.MaxFailed,
 		addr:           addr,
 		url:            url,
+		header:         header,
 		statusOK:       false,
 		statusNormalFn: statusNormalFn,
 		statusFailedFn: statusFailedFn,
@@ -112,17 +118,17 @@ func (monitor *Monitor) checkWorker() {
 		}
 
 		if err == nil {
-			xl.Trace("do one health check success")
+			xl.Tracef("do one health check success")
 			if !monitor.statusOK && monitor.statusNormalFn != nil {
-				xl.Info("health check status change to success")
+				xl.Infof("health check status change to success")
 				monitor.statusOK = true
 				monitor.statusNormalFn()
 			}
 		} else {
-			xl.Warn("do one health check failed: %v", err)
+			xl.Warnf("do one health check failed: %v", err)
 			monitor.failedTimes++
 			if monitor.statusOK && int(monitor.failedTimes) >= monitor.maxFailedTimes && monitor.statusFailedFn != nil {
-				xl.Warn("health check status change to failed")
+				xl.Warnf("health check status change to failed")
 				monitor.statusOK = false
 				monitor.statusFailedFn()
 			}
@@ -163,6 +169,8 @@ func (monitor *Monitor) doHTTPCheck(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
+	req.Header = monitor.header
+	req.Host = monitor.header.Get("Host")
 	resp, err := http.DefaultClient.Do(req)
 	if err != nil {
 		return err

client/proxy/proxy.go

@@ -20,13 +20,11 @@ import (
 	"net"
 	"reflect"
 	"strconv"
-	"strings"
 	"sync"
 	"time"
 
 	libio "github.com/fatedier/golib/io"
-	libdial "github.com/fatedier/golib/net/dial"
-	pp "github.com/pires/go-proxyproto"
+	libnet "github.com/fatedier/golib/net"
 	"golang.org/x/time/rate"
 
 	"github.com/fatedier/frp/pkg/config/types"
@@ -35,7 +33,9 @@ import (
 	plugin "github.com/fatedier/frp/pkg/plugin/client"
 	"github.com/fatedier/frp/pkg/transport"
 	"github.com/fatedier/frp/pkg/util/limit"
+	netpkg "github.com/fatedier/frp/pkg/util/net"
 	"github.com/fatedier/frp/pkg/util/xlog"
+	"github.com/fatedier/frp/pkg/vnet"
 )
 
 var proxyFactoryRegistry = map[reflect.Type]func(*BaseProxy, v1.ProxyConfigurer) Proxy{}
@@ -57,7 +57,9 @@ func NewProxy(
 	ctx context.Context,
 	pxyConf v1.ProxyConfigurer,
 	clientCfg *v1.ClientCommonConfig,
+	encryptionKey []byte,
 	msgTransporter transport.MessageTransporter,
+	vnetController *vnet.Controller,
 ) (pxy Proxy) {
 	var limiter *rate.Limiter
 	limitBytes := pxyConf.GetBaseConfig().Transport.BandwidthLimit.Bytes()
@@ -68,8 +70,10 @@ func NewProxy(
 	baseProxy := BaseProxy{
 		baseCfg:        pxyConf.GetBaseConfig(),
 		clientCfg:      clientCfg,
+		encryptionKey:  encryptionKey,
 		limiter:        limiter,
 		msgTransporter: msgTransporter,
+		vnetController: vnetController,
 		xl:             xlog.FromContextSafe(ctx),
 		ctx:            ctx,
 	}
@@ -84,7 +88,9 @@ func NewProxy(
 type BaseProxy struct {
 	baseCfg        *v1.ProxyBaseConfig
 	clientCfg      *v1.ClientCommonConfig
+	encryptionKey  []byte
 	msgTransporter transport.MessageTransporter
+	vnetController *vnet.Controller
 	limiter        *rate.Limiter
 	// proxyPlugin is used to handle connections instead of dialing to local service.
 	// It's only validate for TCP protocol now.
@@ -98,7 +104,10 @@ type BaseProxy struct {
 
 func (pxy *BaseProxy) Run() error {
 	if pxy.baseCfg.Plugin.Type != "" {
-		p, err := plugin.Create(pxy.baseCfg.Plugin.Type, pxy.baseCfg.Plugin.ClientPluginOptions)
+		p, err := plugin.Create(pxy.baseCfg.Plugin.Type, plugin.PluginContext{
+			Name:           pxy.baseCfg.Name,
+			VnetController: pxy.vnetController,
+		}, pxy.baseCfg.Plugin.ClientPluginOptions)
 		if err != nil {
 			return err
 		}
@@ -123,7 +132,7 @@ func (pxy *BaseProxy) InWorkConn(conn net.Conn, m *msg.StartWorkConn) {
 			return
 		}
 	}
-	pxy.HandleTCPWorkConnection(conn, m, []byte(pxy.clientCfg.Auth.Token))
+	pxy.HandleTCPWorkConnection(conn, m, pxy.encryptionKey)
 }
 
 // Common handler for tcp work connections.
@@ -141,13 +150,13 @@ func (pxy *BaseProxy) HandleTCPWorkConnection(workConn net.Conn, m *msg.StartWor
 		})
 	}
 
-	xl.Trace("handle tcp work connection, useEncryption: %t, useCompression: %t",
+	xl.Tracef("handle tcp work connection, useEncryption: %t, useCompression: %t",
 		baseCfg.Transport.UseEncryption, baseCfg.Transport.UseCompression)
 	if baseCfg.Transport.UseEncryption {
 		remote, err = libio.WithEncryption(remote, encKey)
 		if err != nil {
 			workConn.Close()
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
 			return
 		}
 	}
@@ -157,69 +166,58 @@ func (pxy *BaseProxy) HandleTCPWorkConnection(workConn net.Conn, m *msg.StartWor
 	}
 
 	// check if we need to send proxy protocol info
-	var extraInfo plugin.ExtraInfo
-	if baseCfg.Transport.ProxyProtocolVersion != "" {
-		if m.SrcAddr != "" && m.SrcPort != 0 {
-			if m.DstAddr == "" {
-				m.DstAddr = "127.0.0.1"
-			}
-			srcAddr, _ := net.ResolveTCPAddr("tcp", net.JoinHostPort(m.SrcAddr, strconv.Itoa(int(m.SrcPort))))
-			dstAddr, _ := net.ResolveTCPAddr("tcp", net.JoinHostPort(m.DstAddr, strconv.Itoa(int(m.DstPort))))
-			h := &pp.Header{
-				Command:         pp.PROXY,
-				SourceAddr:      srcAddr,
-				DestinationAddr: dstAddr,
-			}
-
-			if strings.Contains(m.SrcAddr, ".") {
-				h.TransportProtocol = pp.TCPv4
-			} else {
-				h.TransportProtocol = pp.TCPv6
-			}
-
-			if baseCfg.Transport.ProxyProtocolVersion == "v1" {
-				h.Version = 1
-			} else if baseCfg.Transport.ProxyProtocolVersion == "v2" {
-				h.Version = 2
-			}
-
-			extraInfo.ProxyProtocolHeader = h
+	var connInfo plugin.ConnectionInfo
+	if m.SrcAddr != "" && m.SrcPort != 0 {
+		if m.DstAddr == "" {
+			m.DstAddr = "127.0.0.1"
 		}
+		srcAddr, _ := net.ResolveTCPAddr("tcp", net.JoinHostPort(m.SrcAddr, strconv.Itoa(int(m.SrcPort))))
+		dstAddr, _ := net.ResolveTCPAddr("tcp", net.JoinHostPort(m.DstAddr, strconv.Itoa(int(m.DstPort))))
+		connInfo.SrcAddr = srcAddr
+		connInfo.DstAddr = dstAddr
 	}
 
+	if baseCfg.Transport.ProxyProtocolVersion != "" && m.SrcAddr != "" && m.SrcPort != 0 {
+		// Use the common proxy protocol builder function
+		header := netpkg.BuildProxyProtocolHeaderStruct(connInfo.SrcAddr, connInfo.DstAddr, baseCfg.Transport.ProxyProtocolVersion)
+		connInfo.ProxyProtocolHeader = header
+	}
+	connInfo.Conn = remote
+	connInfo.UnderlyingConn = workConn
+
 	if pxy.proxyPlugin != nil {
 		// if plugin is set, let plugin handle connection first
-		xl.Debug("handle by plugin: %s", pxy.proxyPlugin.Name())
-		pxy.proxyPlugin.Handle(remote, workConn, &extraInfo)
-		xl.Debug("handle by plugin finished")
+		xl.Debugf("handle by plugin: %s", pxy.proxyPlugin.Name())
+		pxy.proxyPlugin.Handle(pxy.ctx, &connInfo)
+		xl.Debugf("handle by plugin finished")
 		return
 	}
 
-	localConn, err := libdial.Dial(
+	localConn, err := libnet.Dial(
 		net.JoinHostPort(baseCfg.LocalIP, strconv.Itoa(baseCfg.LocalPort)),
-		libdial.WithTimeout(10*time.Second),
+		libnet.WithTimeout(10*time.Second),
 	)
 	if err != nil {
 		workConn.Close()
-		xl.Error("connect to local service [%s:%d] error: %v", baseCfg.LocalIP, baseCfg.LocalPort, err)
+		xl.Errorf("connect to local service [%s:%d] error: %v", baseCfg.LocalIP, baseCfg.LocalPort, err)
 		return
 	}
 
-	xl.Debug("join connections, localConn(l[%s] r[%s]) workConn(l[%s] r[%s])", localConn.LocalAddr().String(),
+	xl.Debugf("join connections, localConn(l[%s] r[%s]) workConn(l[%s] r[%s])", localConn.LocalAddr().String(),
 		localConn.RemoteAddr().String(), workConn.LocalAddr().String(), workConn.RemoteAddr().String())
 
-	if extraInfo.ProxyProtocolHeader != nil {
-		if _, err := extraInfo.ProxyProtocolHeader.WriteTo(localConn); err != nil {
+	if connInfo.ProxyProtocolHeader != nil {
+		if _, err := connInfo.ProxyProtocolHeader.WriteTo(localConn); err != nil {
 			workConn.Close()
-			xl.Error("write proxy protocol header to local conn error: %v", err)
+			xl.Errorf("write proxy protocol header to local conn error: %v", err)
 			return
 		}
 	}
 
 	_, _, errs := libio.Join(localConn, remote)
-	xl.Debug("join connections closed")
+	xl.Debugf("join connections closed")
 	if len(errs) > 0 {
-		xl.Trace("join connections errors: %v", errs)
+		xl.Tracef("join connections errors: %v", errs)
 	}
 	if compressionResourceRecycleFn != nil {
 		compressionResourceRecycleFn()

client/proxy/proxy_manager.go

@@ -28,17 +28,20 @@ import (
 	"github.com/fatedier/frp/pkg/msg"
 	"github.com/fatedier/frp/pkg/transport"
 	"github.com/fatedier/frp/pkg/util/xlog"
+	"github.com/fatedier/frp/pkg/vnet"
 )
 
 type Manager struct {
 	proxies            map[string]*Wrapper
 	msgTransporter     transport.MessageTransporter
 	inWorkConnCallback func(*v1.ProxyBaseConfig, net.Conn, *msg.StartWorkConn) bool
+	vnetController     *vnet.Controller
 
 	closed bool
 	mu     sync.RWMutex
 
-	clientCfg *v1.ClientCommonConfig
+	encryptionKey []byte
+	clientCfg     *v1.ClientCommonConfig
 
 	ctx context.Context
 }
@@ -46,12 +49,16 @@ type Manager struct {
 func NewManager(
 	ctx context.Context,
 	clientCfg *v1.ClientCommonConfig,
+	encryptionKey []byte,
 	msgTransporter transport.MessageTransporter,
+	vnetController *vnet.Controller,
 ) *Manager {
 	return &Manager{
 		proxies:        make(map[string]*Wrapper),
 		msgTransporter: msgTransporter,
+		vnetController: vnetController,
 		closed:         false,
+		encryptionKey:  encryptionKey,
 		clientCfg:      clientCfg,
 		ctx:            ctx,
 	}
@@ -96,7 +103,7 @@ func (pm *Manager) HandleWorkConn(name string, workConn net.Conn, m *msg.StartWo
 	}
 }
 
-func (pm *Manager) HandleEvent(payload interface{}) error {
+func (pm *Manager) HandleEvent(payload any) error {
 	var m msg.Message
 	switch e := payload.(type) {
 	case *event.StartProxyPayload:
@@ -152,14 +159,14 @@ func (pm *Manager) UpdateAll(proxyCfgs []v1.ProxyConfigurer) {
 		}
 	}
 	if len(delPxyNames) > 0 {
-		xl.Info("proxy removed: %s", delPxyNames)
+		xl.Infof("proxy removed: %s", delPxyNames)
 	}
 
 	addPxyNames := make([]string, 0)
 	for _, cfg := range proxyCfgs {
 		name := cfg.GetBaseConfig().Name
 		if _, ok := pm.proxies[name]; !ok {
-			pxy := NewWrapper(pm.ctx, cfg, pm.clientCfg, pm.HandleEvent, pm.msgTransporter)
+			pxy := NewWrapper(pm.ctx, cfg, pm.clientCfg, pm.encryptionKey, pm.HandleEvent, pm.msgTransporter, pm.vnetController)
 			if pm.inWorkConnCallback != nil {
 				pxy.SetInWorkConnCallback(pm.inWorkConnCallback)
 			}
@@ -170,6 +177,6 @@ func (pm *Manager) UpdateAll(proxyCfgs []v1.ProxyConfigurer) {
 		}
 	}
 	if len(addPxyNames) > 0 {
-		xl.Info("proxy added: %s", addPxyNames)
+		xl.Infof("proxy added: %s", addPxyNames)
 	}
 }

client/proxy/proxy_wrapper.go

@@ -31,6 +31,7 @@ import (
 	"github.com/fatedier/frp/pkg/msg"
 	"github.com/fatedier/frp/pkg/transport"
 	"github.com/fatedier/frp/pkg/util/xlog"
+	"github.com/fatedier/frp/pkg/vnet"
 )
 
 const (
@@ -73,6 +74,8 @@ type Wrapper struct {
 	handler event.Handler
 
 	msgTransporter transport.MessageTransporter
+	// vnet controller
+	vnetController *vnet.Controller
 
 	health           uint32
 	lastSendStartMsg time.Time
@@ -89,8 +92,10 @@ func NewWrapper(
 	ctx context.Context,
 	cfg v1.ProxyConfigurer,
 	clientCfg *v1.ClientCommonConfig,
+	encryptionKey []byte,
 	eventHandler event.Handler,
 	msgTransporter transport.MessageTransporter,
+	vnetController *vnet.Controller,
 ) *Wrapper {
 	baseInfo := cfg.GetBaseConfig()
 	xl := xlog.FromContextSafe(ctx).Spawn().AppendPrefix(baseInfo.Name)
@@ -105,6 +110,7 @@ func NewWrapper(
 		healthNotifyCh: make(chan struct{}),
 		handler:        eventHandler,
 		msgTransporter: msgTransporter,
+		vnetController: vnetController,
 		xl:             xl,
 		ctx:            xlog.NewContext(ctx, xl),
 	}
@@ -114,10 +120,10 @@ func NewWrapper(
 		addr := net.JoinHostPort(baseInfo.LocalIP, strconv.Itoa(baseInfo.LocalPort))
 		pw.monitor = health.NewMonitor(pw.ctx, baseInfo.HealthCheck, addr,
 			pw.statusNormalCallback, pw.statusFailedCallback)
-		xl.Trace("enable health check monitor")
+		xl.Tracef("enable health check monitor")
 	}
 
-	pw.pxy = NewProxy(pw.ctx, pw.Cfg, clientCfg, pw.msgTransporter)
+	pw.pxy = NewProxy(pw.ctx, pw.Cfg, clientCfg, encryptionKey, pw.msgTransporter, pw.vnetController)
 	return pw
 }
 
@@ -137,7 +143,7 @@ func (pw *Wrapper) SetRunningStatus(remoteAddr string, respErr string) error {
 		pw.Phase = ProxyPhaseStartErr
 		pw.Err = respErr
 		pw.lastStartErr = time.Now()
-		return fmt.Errorf(pw.Err)
+		return fmt.Errorf("%s", pw.Err)
 	}
 
 	if err := pw.pxy.Run(); err != nil {
@@ -197,7 +203,7 @@ func (pw *Wrapper) checkWorker() {
 				(pw.Phase == ProxyPhaseWaitStart && now.After(pw.lastSendStartMsg.Add(waitResponseTimeout))) ||
 				(pw.Phase == ProxyPhaseStartErr && now.After(pw.lastStartErr.Add(startErrTimeout))) {
 
-				xl.Trace("change status from [%s] to [%s]", pw.Phase, ProxyPhaseWaitStart)
+				xl.Tracef("change status from [%s] to [%s]", pw.Phase, ProxyPhaseWaitStart)
 				pw.Phase = ProxyPhaseWaitStart
 
 				var newProxyMsg msg.NewProxy
@@ -212,7 +218,7 @@ func (pw *Wrapper) checkWorker() {
 			pw.mu.Lock()
 			if pw.Phase == ProxyPhaseRunning || pw.Phase == ProxyPhaseWaitStart {
 				pw.close()
-				xl.Trace("change status from [%s] to [%s]", pw.Phase, ProxyPhaseCheckFailed)
+				xl.Tracef("change status from [%s] to [%s]", pw.Phase, ProxyPhaseCheckFailed)
 				pw.Phase = ProxyPhaseCheckFailed
 			}
 			pw.mu.Unlock()
@@ -236,7 +242,7 @@ func (pw *Wrapper) statusNormalCallback() {
 		default:
 		}
 	})
-	xl.Info("health check success")
+	xl.Infof("health check success")
 }
 
 func (pw *Wrapper) statusFailedCallback() {
@@ -248,7 +254,7 @@ func (pw *Wrapper) statusFailedCallback() {
 		default:
 		}
 	})
-	xl.Info("health check failed")
+	xl.Infof("health check failed")
 }
 
 func (pw *Wrapper) InWorkConn(workConn net.Conn, m *msg.StartWorkConn) {
@@ -257,7 +263,7 @@ func (pw *Wrapper) InWorkConn(workConn net.Conn, m *msg.StartWorkConn) {
 	pxy := pw.pxy
 	pw.mu.RUnlock()
 	if pxy != nil && pw.Phase == ProxyPhaseRunning {
-		xl.Debug("start a new work connection, localAddr: %s remoteAddr: %s", workConn.LocalAddr().String(), workConn.RemoteAddr().String())
+		xl.Debugf("start a new work connection, localAddr: %s remoteAddr: %s", workConn.LocalAddr().String(), workConn.RemoteAddr().String())
 		go pxy.InWorkConn(workConn, m)
 	} else {
 		workConn.Close()

client/proxy/sudp.go

@@ -81,7 +81,7 @@ func (pxy *SUDPProxy) Close() {
 
 func (pxy *SUDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 	xl := pxy.xl
-	xl.Info("incoming a new work connection for sudp proxy, %s", conn.RemoteAddr().String())
+	xl.Infof("incoming a new work connection for sudp proxy, %s", conn.RemoteAddr().String())
 
 	var rwc io.ReadWriteCloser = conn
 	var err error
@@ -91,10 +91,10 @@ func (pxy *SUDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 		})
 	}
 	if pxy.cfg.Transport.UseEncryption {
-		rwc, err = libio.WithEncryption(rwc, []byte(pxy.clientCfg.Auth.Token))
+		rwc, err = libio.WithEncryption(rwc, pxy.encryptionKey)
 		if err != nil {
 			conn.Close()
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
 			return
 		}
 	}
@@ -133,21 +133,21 @@ func (pxy *SUDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 			// first to check sudp proxy is closed or not
 			select {
 			case <-pxy.closeCh:
-				xl.Trace("frpc sudp proxy is closed")
+				xl.Tracef("frpc sudp proxy is closed")
 				return
 			default:
 			}
 
 			var udpMsg msg.UDPPacket
 			if errRet := msg.ReadMsgInto(conn, &udpMsg); errRet != nil {
-				xl.Warn("read from workConn for sudp error: %v", errRet)
+				xl.Warnf("read from workConn for sudp error: %v", errRet)
 				return
 			}
 
 			if errRet := errors.PanicToError(func() {
 				readCh <- &udpMsg
 			}); errRet != nil {
-				xl.Warn("reader goroutine for sudp work connection closed: %v", errRet)
+				xl.Warnf("reader goroutine for sudp work connection closed: %v", errRet)
 				return
 			}
 		}
@@ -157,21 +157,21 @@ func (pxy *SUDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 	workConnSenderFn := func(conn net.Conn, sendCh chan msg.Message) {
 		defer func() {
 			closeFn()
-			xl.Info("writer goroutine for sudp work connection closed")
+			xl.Infof("writer goroutine for sudp work connection closed")
 		}()
 
 		var errRet error
 		for rawMsg := range sendCh {
 			switch m := rawMsg.(type) {
 			case *msg.UDPPacket:
-				xl.Trace("frpc send udp package to frpc visitor, [udp local: %v, remote: %v], [tcp work conn local: %v, remote: %v]",
+				xl.Tracef("frpc send udp package to frpc visitor, [udp local: %v, remote: %v], [tcp work conn local: %v, remote: %v]",
 					m.LocalAddr.String(), m.RemoteAddr.String(), conn.LocalAddr().String(), conn.RemoteAddr().String())
 			case *msg.Ping:
-				xl.Trace("frpc send ping message to frpc visitor")
+				xl.Tracef("frpc send ping message to frpc visitor")
 			}
 
 			if errRet = msg.WriteMsg(conn, rawMsg); errRet != nil {
-				xl.Error("sudp work write error: %v", errRet)
+				xl.Errorf("sudp work write error: %v", errRet)
 				return
 			}
 		}
@@ -191,11 +191,11 @@ func (pxy *SUDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 				if errRet = errors.PanicToError(func() {
 					sendCh <- &msg.Ping{}
 				}); errRet != nil {
-					xl.Warn("heartbeat goroutine for sudp work connection closed")
+					xl.Warnf("heartbeat goroutine for sudp work connection closed")
 					return
 				}
 			case <-pxy.closeCh:
-				xl.Trace("frpc sudp proxy is closed")
+				xl.Tracef("frpc sudp proxy is closed")
 				return
 			}
 		}
@@ -205,5 +205,5 @@ func (pxy *SUDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 	go workConnReaderFn(workConn, readCh)
 	go heartbeatFn(sendCh)
 
-	udp.Forwarder(pxy.localAddr, readCh, sendCh, int(pxy.clientCfg.UDPPacketSize))
+	udp.Forwarder(pxy.localAddr, readCh, sendCh, int(pxy.clientCfg.UDPPacketSize), pxy.cfg.Transport.ProxyProtocolVersion)
 }

client/proxy/udp.go

@@ -90,7 +90,7 @@ func (pxy *UDPProxy) Close() {
 
 func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 	xl := pxy.xl
-	xl.Info("incoming a new work connection for udp proxy, %s", conn.RemoteAddr().String())
+	xl.Infof("incoming a new work connection for udp proxy, %s", conn.RemoteAddr().String())
 	// close resources related with old workConn
 	pxy.Close()
 
@@ -102,10 +102,10 @@ func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 		})
 	}
 	if pxy.cfg.Transport.UseEncryption {
-		rwc, err = libio.WithEncryption(rwc, []byte(pxy.clientCfg.Auth.Token))
+		rwc, err = libio.WithEncryption(rwc, pxy.encryptionKey)
 		if err != nil {
 			conn.Close()
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
 			return
 		}
 	}
@@ -125,32 +125,32 @@ func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 		for {
 			var udpMsg msg.UDPPacket
 			if errRet := msg.ReadMsgInto(conn, &udpMsg); errRet != nil {
-				xl.Warn("read from workConn for udp error: %v", errRet)
+				xl.Warnf("read from workConn for udp error: %v", errRet)
 				return
 			}
 			if errRet := errors.PanicToError(func() {
-				xl.Trace("get udp package from workConn: %s", udpMsg.Content)
+				xl.Tracef("get udp package from workConn: %s", udpMsg.Content)
 				readCh <- &udpMsg
 			}); errRet != nil {
-				xl.Info("reader goroutine for udp work connection closed: %v", errRet)
+				xl.Infof("reader goroutine for udp work connection closed: %v", errRet)
 				return
 			}
 		}
 	}
 	workConnSenderFn := func(conn net.Conn, sendCh chan msg.Message) {
 		defer func() {
-			xl.Info("writer goroutine for udp work connection closed")
+			xl.Infof("writer goroutine for udp work connection closed")
 		}()
 		var errRet error
 		for rawMsg := range sendCh {
 			switch m := rawMsg.(type) {
 			case *msg.UDPPacket:
-				xl.Trace("send udp package to workConn: %s", m.Content)
+				xl.Tracef("send udp package to workConn: %s", m.Content)
 			case *msg.Ping:
-				xl.Trace("send ping message to udp workConn")
+				xl.Tracef("send ping message to udp workConn")
 			}
 			if errRet = msg.WriteMsg(conn, rawMsg); errRet != nil {
-				xl.Error("udp work write error: %v", errRet)
+				xl.Errorf("udp work write error: %v", errRet)
 				return
 			}
 		}
@@ -162,7 +162,7 @@ func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 			if errRet = errors.PanicToError(func() {
 				sendCh <- &msg.Ping{}
 			}); errRet != nil {
-				xl.Trace("heartbeat goroutine for udp work connection closed")
+				xl.Tracef("heartbeat goroutine for udp work connection closed")
 				break
 			}
 		}
@@ -171,5 +171,7 @@ func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 	go workConnSenderFn(pxy.workConn, pxy.sendCh)
 	go workConnReaderFn(pxy.workConn, pxy.readCh)
 	go heartbeatFn(pxy.sendCh)
-	udp.Forwarder(pxy.localAddr, pxy.readCh, pxy.sendCh, int(pxy.clientCfg.UDPPacketSize))
+
+	// Call Forwarder with proxy protocol version (empty string means no proxy protocol)
+	udp.Forwarder(pxy.localAddr, pxy.readCh, pxy.sendCh, int(pxy.clientCfg.UDPPacketSize), pxy.cfg.Transport.ProxyProtocolVersion)
 }

client/proxy/xtcp.go

@@ -59,17 +59,25 @@ func (pxy *XTCPProxy) InWorkConn(conn net.Conn, startWorkConnMsg *msg.StartWorkC
 	var natHoleSidMsg msg.NatHoleSid
 	err := msg.ReadMsgInto(conn, &natHoleSidMsg)
 	if err != nil {
-		xl.Error("xtcp read from workConn error: %v", err)
+		xl.Errorf("xtcp read from workConn error: %v", err)
 		return
 	}
 
-	xl.Trace("nathole prepare start")
-	prepareResult, err := nathole.Prepare([]string{pxy.clientCfg.NatHoleSTUNServer})
+	xl.Tracef("nathole prepare start")
+
+	// Prepare NAT traversal options
+	var opts nathole.PrepareOptions
+	if pxy.cfg.NatTraversal != nil && pxy.cfg.NatTraversal.DisableAssistedAddrs {
+		opts.DisableAssistedAddrs = true
+	}
+
+	prepareResult, err := nathole.Prepare([]string{pxy.clientCfg.NatHoleSTUNServer}, opts)
 	if err != nil {
-		xl.Warn("nathole prepare error: %v", err)
+		xl.Warnf("nathole prepare error: %v", err)
 		return
 	}
-	xl.Info("nathole prepare success, nat type: %s, behavior: %s, addresses: %v, assistedAddresses: %v",
+
+	xl.Infof("nathole prepare success, nat type: %s, behavior: %s, addresses: %v, assistedAddresses: %v",
 		prepareResult.NatType, prepareResult.Behavior, prepareResult.Addrs, prepareResult.AssistedAddrs)
 	defer prepareResult.ListenConn.Close()
 
@@ -83,14 +91,14 @@ func (pxy *XTCPProxy) InWorkConn(conn net.Conn, startWorkConnMsg *msg.StartWorkC
 		AssistedAddrs: prepareResult.AssistedAddrs,
 	}
 
-	xl.Trace("nathole exchange info start")
+	xl.Tracef("nathole exchange info start")
 	natHoleRespMsg, err := nathole.ExchangeInfo(pxy.ctx, pxy.msgTransporter, transactionID, natHoleClientMsg, 5*time.Second)
 	if err != nil {
-		xl.Warn("nathole exchange info error: %v", err)
+		xl.Warnf("nathole exchange info error: %v", err)
 		return
 	}
 
-	xl.Info("get natHoleRespMsg, sid [%s], protocol [%s], candidate address %v, assisted address %v, detectBehavior: %+v",
+	xl.Infof("get natHoleRespMsg, sid [%s], protocol [%s], candidate address %v, assisted address %v, detectBehavior: %+v",
 		natHoleRespMsg.Sid, natHoleRespMsg.Protocol, natHoleRespMsg.CandidateAddrs,
 		natHoleRespMsg.AssistedAddrs, natHoleRespMsg.DetectBehavior)
 
@@ -98,7 +106,7 @@ func (pxy *XTCPProxy) InWorkConn(conn net.Conn, startWorkConnMsg *msg.StartWorkC
 	newListenConn, raddr, err := nathole.MakeHole(pxy.ctx, listenConn, natHoleRespMsg, []byte(pxy.cfg.Secretkey))
 	if err != nil {
 		listenConn.Close()
-		xl.Warn("make hole error: %v", err)
+		xl.Warnf("make hole error: %v", err)
 		_ = pxy.msgTransporter.Send(&msg.NatHoleReport{
 			Sid:     natHoleRespMsg.Sid,
 			Success: false,
@@ -106,7 +114,7 @@ func (pxy *XTCPProxy) InWorkConn(conn net.Conn, startWorkConnMsg *msg.StartWorkC
 		return
 	}
 	listenConn = newListenConn
-	xl.Info("establishing nat hole connection successful, sid [%s], remoteAddr [%s]", natHoleRespMsg.Sid, raddr)
+	xl.Infof("establishing nat hole connection successful, sid [%s], remoteAddr [%s]", natHoleRespMsg.Sid, raddr)
 
 	_ = pxy.msgTransporter.Send(&msg.NatHoleReport{
 		Sid:     natHoleRespMsg.Sid,
@@ -128,14 +136,14 @@ func (pxy *XTCPProxy) listenByKCP(listenConn *net.UDPConn, raddr *net.UDPAddr, s
 	laddr, _ := net.ResolveUDPAddr("udp", listenConn.LocalAddr().String())
 	lConn, err := net.DialUDP("udp", laddr, raddr)
 	if err != nil {
-		xl.Warn("dial udp error: %v", err)
+		xl.Warnf("dial udp error: %v", err)
 		return
 	}
 	defer lConn.Close()
 
 	remote, err := netpkg.NewKCPConnFromUDP(lConn, true, raddr.String())
 	if err != nil {
-		xl.Warn("create kcp connection from udp connection error: %v", err)
+		xl.Warnf("create kcp connection from udp connection error: %v", err)
 		return
 	}
 
@@ -145,7 +153,7 @@ func (pxy *XTCPProxy) listenByKCP(listenConn *net.UDPConn, raddr *net.UDPAddr, s
 	fmuxCfg.LogOutput = io.Discard
 	session, err := fmux.Server(remote, fmuxCfg)
 	if err != nil {
-		xl.Error("create mux session error: %v", err)
+		xl.Errorf("create mux session error: %v", err)
 		return
 	}
 	defer session.Close()
@@ -153,7 +161,7 @@ func (pxy *XTCPProxy) listenByKCP(listenConn *net.UDPConn, raddr *net.UDPAddr, s
 	for {
 		muxConn, err := session.Accept()
 		if err != nil {
-			xl.Error("accept connection error: %v", err)
+			xl.Errorf("accept connection error: %v", err)
 			return
 		}
 		go pxy.HandleTCPWorkConnection(muxConn, startWorkConnMsg, []byte(pxy.cfg.Secretkey))
@@ -166,7 +174,7 @@ func (pxy *XTCPProxy) listenByQUIC(listenConn *net.UDPConn, _ *net.UDPAddr, star
 
 	tlsConfig, err := transport.NewServerTLSConfig("", "", "")
 	if err != nil {
-		xl.Warn("create tls config error: %v", err)
+		xl.Warnf("create tls config error: %v", err)
 		return
 	}
 	tlsConfig.NextProtos = []string{"frp"}
@@ -178,19 +186,19 @@ func (pxy *XTCPProxy) listenByQUIC(listenConn *net.UDPConn, _ *net.UDPAddr, star
 		},
 	)
 	if err != nil {
-		xl.Warn("dial quic error: %v", err)
+		xl.Warnf("dial quic error: %v", err)
 		return
 	}
 	// only accept one connection from raddr
 	c, err := quicListener.Accept(pxy.ctx)
 	if err != nil {
-		xl.Error("quic accept connection error: %v", err)
+		xl.Errorf("quic accept connection error: %v", err)
 		return
 	}
 	for {
 		stream, err := c.AcceptStream(pxy.ctx)
 		if err != nil {
-			xl.Debug("quic accept stream error: %v", err)
+			xl.Debugf("quic accept stream error: %v", err)
 			_ = c.CloseWithError(0, "")
 			return
 		}

client/service.go

@@ -19,6 +19,7 @@ import (
 	"errors"
 	"fmt"
 	"net"
+	"os"
 	"runtime"
 	"sync"
 	"time"
@@ -30,16 +31,24 @@ import (
 	"github.com/fatedier/frp/pkg/auth"
 	v1 "github.com/fatedier/frp/pkg/config/v1"
 	"github.com/fatedier/frp/pkg/msg"
+	"github.com/fatedier/frp/pkg/policy/security"
 	httppkg "github.com/fatedier/frp/pkg/util/http"
 	"github.com/fatedier/frp/pkg/util/log"
 	netpkg "github.com/fatedier/frp/pkg/util/net"
 	"github.com/fatedier/frp/pkg/util/version"
 	"github.com/fatedier/frp/pkg/util/wait"
 	"github.com/fatedier/frp/pkg/util/xlog"
+	"github.com/fatedier/frp/pkg/vnet"
 )
 
 func init() {
 	crypto.DefaultSalt = "frp"
+	// Disable quic-go's receive buffer warning.
+	os.Setenv("QUIC_GO_DISABLE_RECEIVE_BUFFER_WARNING", "true")
+	// Disable quic-go's ECN support by default. It may cause issues on certain operating systems.
+	if os.Getenv("QUIC_GO_DISABLE_ECN") == "" {
+		os.Setenv("QUIC_GO_DISABLE_ECN", "true")
+	}
 }
 
 type cancelErr struct {
@@ -56,6 +65,8 @@ type ServiceOptions struct {
 	ProxyCfgs   []v1.ProxyConfigurer
 	VisitorCfgs []v1.VisitorConfigurer
 
+	UnsafeFeatures *security.UnsafeFeatures
+
 	// ConfigFilePath is the path to the configuration file used to initialize.
 	// If it is empty, it means that the configuration file is not used for initialization.
 	// It may be initialized using command line parameters or called directly.
@@ -80,13 +91,16 @@ type ServiceOptions struct {
 }
 
 // setServiceOptionsDefault sets the default values for ServiceOptions.
-func setServiceOptionsDefault(options *ServiceOptions) {
+func setServiceOptionsDefault(options *ServiceOptions) error {
 	if options.Common != nil {
-		options.Common.Complete()
+		if err := options.Common.Complete(); err != nil {
+			return err
+		}
 	}
 	if options.ConnectorCreator == nil {
 		options.ConnectorCreator = NewConnector
 	}
+	return nil
 }
 
 // Service is the client service that connects to frps and provides proxy services.
@@ -97,18 +111,22 @@ type Service struct {
 	// Uniq id got from frps, it will be attached to loginMsg.
 	runID string
 
-	// Sets authentication based on selected method
-	authSetter auth.Setter
+	// Auth runtime and encryption materials
+	auth *auth.ClientAuth
 
 	// web server for admin UI and apis
 	webServer *httppkg.Server
 
+	vnetController *vnet.Controller
+
 	cfgMu       sync.RWMutex
 	common      *v1.ClientCommonConfig
 	proxyCfgs   []v1.ProxyConfigurer
 	visitorCfgs []v1.VisitorConfigurer
 	clientSpec  *msg.ClientSpec
 
+	unsafeFeatures *security.UnsafeFeatures
+
 	// The configuration file used to initialize this client, or an empty
 	// string if no configuration file was used.
 	configFilePath string
@@ -124,7 +142,9 @@ type Service struct {
 }
 
 func NewService(options ServiceOptions) (*Service, error) {
-	setServiceOptionsDefault(&options)
+	if err := setServiceOptionsDefault(&options); err != nil {
+		return nil, err
+	}
 
 	var webServer *httppkg.Server
 	if options.Common.WebServer.Port > 0 {
@@ -134,12 +154,19 @@ func NewService(options ServiceOptions) (*Service, error) {
 		}
 		webServer = ws
 	}
+
+	authRuntime, err := auth.BuildClientAuth(&options.Common.Auth)
+	if err != nil {
+		return nil, err
+	}
+
 	s := &Service{
 		ctx:              context.Background(),
-		authSetter:       auth.NewAuthSetter(options.Common.Auth),
+		auth:             authRuntime,
 		webServer:        webServer,
 		common:           options.Common,
 		configFilePath:   options.ConfigFilePath,
+		unsafeFeatures:   options.UnsafeFeatures,
 		proxyCfgs:        options.ProxyCfgs,
 		visitorCfgs:      options.VisitorCfgs,
 		clientSpec:       options.ClientSpec,
@@ -149,6 +176,9 @@ func NewService(options ServiceOptions) (*Service, error) {
 	if webServer != nil {
 		webServer.RouteRegister(s.registerRouteHandlers)
 	}
+	if options.Common.VirtualNet.Address != "" {
+		s.vnetController = vnet.NewController(options.Common.VirtualNet)
+	}
 	return s, nil
 }
 
@@ -162,6 +192,28 @@ func (svr *Service) Run(ctx context.Context) error {
 		netpkg.SetDefaultDNSAddress(svr.common.DNSServer)
 	}
 
+	if svr.vnetController != nil {
+		if err := svr.vnetController.Init(); err != nil {
+			log.Errorf("init virtual network controller error: %v", err)
+			return err
+		}
+		go func() {
+			log.Infof("virtual network controller start...")
+			if err := svr.vnetController.Run(); err != nil {
+				log.Warnf("virtual network controller exit with error: %v", err)
+			}
+		}()
+	}
+
+	if svr.webServer != nil {
+		go func() {
+			log.Infof("admin server listen on %s", svr.webServer.Address())
+			if err := svr.webServer.Run(); err != nil {
+				log.Warnf("admin server exit with error: %v", err)
+			}
+		}()
+	}
+
 	// first login to frps
 	svr.loopLoginUntilSuccess(10*time.Second, lo.FromPtr(svr.common.LoginFailExit))
 	if svr.ctl == nil {
@@ -172,14 +224,6 @@ func (svr *Service) Run(ctx context.Context) error {
 
 	go svr.keepControllerWorking()
 
-	if svr.webServer != nil {
-		go func() {
-			log.Info("admin server listen on %s", svr.webServer.Address())
-			if err := svr.webServer.Run(); err != nil {
-				log.Warn("admin server exit with error: %v", err)
-			}
-		}()
-	}
 	<-svr.ctx.Done()
 	svr.stop()
 	return nil
@@ -237,11 +281,15 @@ func (svr *Service) login() (conn net.Conn, connector Connector, err error) {
 		return
 	}
 
+	hostname, _ := os.Hostname()
+
 	loginMsg := &msg.Login{
 		Arch:      runtime.GOARCH,
 		Os:        runtime.GOOS,
+		Hostname:  hostname,
 		PoolCount: svr.common.Transport.PoolCount,
 		User:      svr.common.User,
+		ClientID:  svr.common.ClientID,
 		Version:   version.Full(),
 		Timestamp: time.Now().Unix(),
 		RunID:     svr.runID,
@@ -252,7 +300,7 @@ func (svr *Service) login() (conn net.Conn, connector Connector, err error) {
 	}
 
 	// Add auth
-	if err = svr.authSetter.SetLogin(loginMsg); err != nil {
+	if err = svr.auth.Setter.SetLogin(loginMsg); err != nil {
 		return
 	}
 
@@ -269,14 +317,14 @@ func (svr *Service) login() (conn net.Conn, connector Connector, err error) {
 
 	if loginRespMsg.Error != "" {
 		err = fmt.Errorf("%s", loginRespMsg.Error)
-		xl.Error("%s", loginRespMsg.Error)
+		xl.Errorf("%s", loginRespMsg.Error)
 		return
 	}
 
 	svr.runID = loginRespMsg.RunID
 	xl.AddPrefix(xlog.LogPrefix{Name: "runID", Value: svr.runID})
 
-	xl.Info("login to server success, get run id [%s]", loginRespMsg.RunID)
+	xl.Infof("login to server success, get run id [%s]", loginRespMsg.RunID)
 	return
 }
 
@@ -284,10 +332,10 @@ func (svr *Service) loopLoginUntilSuccess(maxInterval time.Duration, firstLoginE
 	xl := xlog.FromContextSafe(svr.ctx)
 
 	loginFunc := func() (bool, error) {
-		xl.Info("try to connect to server...")
+		xl.Infof("try to connect to server...")
 		conn, connector, err := svr.login()
 		if err != nil {
-			xl.Warn("connect to server error: %v", err)
+			xl.Warnf("connect to server error: %v", err)
 			if firstLoginExit {
 				svr.cancel(cancelErr{Err: err})
 			}
@@ -298,22 +346,22 @@ func (svr *Service) loopLoginUntilSuccess(maxInterval time.Duration, firstLoginE
 		proxyCfgs := svr.proxyCfgs
 		visitorCfgs := svr.visitorCfgs
 		svr.cfgMu.RUnlock()
-		connEncrypted := true
-		if svr.clientSpec != nil && svr.clientSpec.Type == "ssh-tunnel" {
-			connEncrypted = false
-		}
+
+		connEncrypted := svr.clientSpec == nil || svr.clientSpec.Type != "ssh-tunnel"
+
 		sessionCtx := &SessionContext{
-			Common:        svr.common,
-			RunID:         svr.runID,
-			Conn:          conn,
-			ConnEncrypted: connEncrypted,
-			AuthSetter:    svr.authSetter,
-			Connector:     connector,
+			Common:         svr.common,
+			RunID:          svr.runID,
+			Conn:           conn,
+			ConnEncrypted:  connEncrypted,
+			Auth:           svr.auth,
+			Connector:      connector,
+			VnetController: svr.vnetController,
 		}
 		ctl, err := NewControl(svr.ctx, sessionCtx)
 		if err != nil {
 			conn.Close()
-			xl.Error("NewControl error: %v", err)
+			xl.Errorf("new control error: %v", err)
 			return false, err
 		}
 		ctl.SetInWorkConnCallback(svr.handleWorkConnCb)
@@ -371,20 +419,37 @@ func (svr *Service) stop() {
 		svr.ctl.GracefulClose(svr.gracefulShutdownDuration)
 		svr.ctl = nil
 	}
+	if svr.webServer != nil {
+		svr.webServer.Close()
+		svr.webServer = nil
+	}
 }
 
-// TODO(fatedier): Use StatusExporter to provide query interfaces instead of directly using methods from the Service.
-func (svr *Service) GetProxyStatus(name string) (*proxy.WorkingStatus, error) {
+func (svr *Service) getProxyStatus(name string) (*proxy.WorkingStatus, bool) {
 	svr.ctlMu.RLock()
 	ctl := svr.ctl
 	svr.ctlMu.RUnlock()
 
 	if ctl == nil {
-		return nil, fmt.Errorf("control is not running")
+		return nil, false
 	}
-	ws, ok := ctl.pm.GetProxyStatus(name)
-	if !ok {
-		return nil, fmt.Errorf("proxy [%s] is not found", name)
-	}
-	return ws, nil
+	return ctl.pm.GetProxyStatus(name)
+}
+
+func (svr *Service) StatusExporter() StatusExporter {
+	return &statusExporterImpl{
+		getProxyStatusFunc: svr.getProxyStatus,
+	}
+}
+
+type StatusExporter interface {
+	GetProxyStatus(name string) (*proxy.WorkingStatus, bool)
+}
+
+type statusExporterImpl struct {
+	getProxyStatusFunc func(name string) (*proxy.WorkingStatus, bool)
+}
+
+func (s *statusExporterImpl) GetProxyStatus(name string) (*proxy.WorkingStatus, bool) {
+	return s.getProxyStatusFunc(name)
 }

client/visitor/stcp.go

@@ -15,6 +15,7 @@
 package visitor
 
 import (
+	"fmt"
 	"io"
 	"net"
 	"strconv"
@@ -44,6 +45,10 @@ func (sv *STCPVisitor) Run() (err error) {
 	}
 
 	go sv.internalConnWorker()
+
+	if sv.plugin != nil {
+		sv.plugin.Start()
+	}
 	return
 }
 
@@ -56,7 +61,7 @@ func (sv *STCPVisitor) worker() {
 	for {
 		conn, err := sv.l.Accept()
 		if err != nil {
-			xl.Warn("stcp local listener closed")
+			xl.Warnf("stcp local listener closed")
 			return
 		}
 		go sv.handleConn(conn)
@@ -68,7 +73,7 @@ func (sv *STCPVisitor) internalConnWorker() {
 	for {
 		conn, err := sv.internalLn.Accept()
 		if err != nil {
-			xl.Warn("stcp internal listener closed")
+			xl.Warnf("stcp internal listener closed")
 			return
 		}
 		go sv.handleConn(conn)
@@ -77,11 +82,22 @@ func (sv *STCPVisitor) internalConnWorker() {
 
 func (sv *STCPVisitor) handleConn(userConn net.Conn) {
 	xl := xlog.FromContextSafe(sv.ctx)
-	defer userConn.Close()
+	var tunnelErr error
+	defer func() {
+		// If there was an error and connection supports CloseWithError, use it
+		if tunnelErr != nil {
+			if eConn, ok := userConn.(interface{ CloseWithError(error) error }); ok {
+				_ = eConn.CloseWithError(tunnelErr)
+				return
+			}
+		}
+		userConn.Close()
+	}()
 
-	xl.Debug("get a new stcp user connection")
+	xl.Debugf("get a new stcp user connection")
 	visitorConn, err := sv.helper.ConnectServer()
 	if err != nil {
+		tunnelErr = err
 		return
 	}
 	defer visitorConn.Close()
@@ -97,7 +113,8 @@ func (sv *STCPVisitor) handleConn(userConn net.Conn) {
 	}
 	err = msg.WriteMsg(visitorConn, newVisitorConnMsg)
 	if err != nil {
-		xl.Warn("send newVisitorConnMsg to server error: %v", err)
+		xl.Warnf("send newVisitorConnMsg to server error: %v", err)
+		tunnelErr = err
 		return
 	}
 
@@ -105,13 +122,15 @@ func (sv *STCPVisitor) handleConn(userConn net.Conn) {
 	_ = visitorConn.SetReadDeadline(time.Now().Add(10 * time.Second))
 	err = msg.ReadMsgInto(visitorConn, &newVisitorConnRespMsg)
 	if err != nil {
-		xl.Warn("get newVisitorConnRespMsg error: %v", err)
+		xl.Warnf("get newVisitorConnRespMsg error: %v", err)
+		tunnelErr = err
 		return
 	}
 	_ = visitorConn.SetReadDeadline(time.Time{})
 
 	if newVisitorConnRespMsg.Error != "" {
-		xl.Warn("start new visitor connection error: %s", newVisitorConnRespMsg.Error)
+		xl.Warnf("start new visitor connection error: %s", newVisitorConnRespMsg.Error)
+		tunnelErr = fmt.Errorf("%s", newVisitorConnRespMsg.Error)
 		return
 	}
 
@@ -120,7 +139,8 @@ func (sv *STCPVisitor) handleConn(userConn net.Conn) {
 	if sv.cfg.Transport.UseEncryption {
 		remote, err = libio.WithEncryption(remote, []byte(sv.cfg.SecretKey))
 		if err != nil {
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
+			tunnelErr = err
 			return
 		}
 	}

client/visitor/sudp.go

@@ -62,7 +62,7 @@ func (sv *SUDPVisitor) Run() (err error) {
 	sv.sendCh = make(chan *msg.UDPPacket, 1024)
 	sv.readCh = make(chan *msg.UDPPacket, 1024)
 
-	xl.Info("sudp start to work, listen on %s", addr)
+	xl.Infof("sudp start to work, listen on %s", addr)
 
 	go sv.dispatcher()
 	go udp.ForwardUserConn(sv.udpConn, sv.readCh, sv.sendCh, int(sv.clientCfg.UDPPacketSize))
@@ -84,17 +84,17 @@ func (sv *SUDPVisitor) dispatcher() {
 		select {
 		case firstPacket = <-sv.sendCh:
 			if firstPacket == nil {
-				xl.Info("frpc sudp visitor proxy is closed")
+				xl.Infof("frpc sudp visitor proxy is closed")
 				return
 			}
 		case <-sv.checkCloseCh:
-			xl.Info("frpc sudp visitor proxy is closed")
+			xl.Infof("frpc sudp visitor proxy is closed")
 			return
 		}
 
 		visitorConn, err = sv.getNewVisitorConn()
 		if err != nil {
-			xl.Warn("newVisitorConn to frps error: %v, try to reconnect", err)
+			xl.Warnf("newVisitorConn to frps error: %v, try to reconnect", err)
 			continue
 		}
 
@@ -111,7 +111,7 @@ func (sv *SUDPVisitor) dispatcher() {
 
 func (sv *SUDPVisitor) worker(workConn net.Conn, firstPacket *msg.UDPPacket) {
 	xl := xlog.FromContextSafe(sv.ctx)
-	xl.Debug("starting sudp proxy worker")
+	xl.Debugf("starting sudp proxy worker")
 
 	wg := &sync.WaitGroup{}
 	wg.Add(2)
@@ -134,21 +134,21 @@ func (sv *SUDPVisitor) worker(workConn net.Conn, firstPacket *msg.UDPPacket) {
 			// frpc will send heartbeat in workConn to frpc visitor for keeping alive
 			_ = conn.SetReadDeadline(time.Now().Add(60 * time.Second))
 			if rawMsg, errRet = msg.ReadMsg(conn); errRet != nil {
-				xl.Warn("read from workconn for user udp conn error: %v", errRet)
+				xl.Warnf("read from workconn for user udp conn error: %v", errRet)
 				return
 			}
 
 			_ = conn.SetReadDeadline(time.Time{})
 			switch m := rawMsg.(type) {
 			case *msg.Ping:
-				xl.Debug("frpc visitor get ping message from frpc")
+				xl.Debugf("frpc visitor get ping message from frpc")
 				continue
 			case *msg.UDPPacket:
 				if errRet := errors.PanicToError(func() {
 					sv.readCh <- m
-					xl.Trace("frpc visitor get udp packet from workConn: %s", m.Content)
+					xl.Tracef("frpc visitor get udp packet from workConn: %s", m.Content)
 				}); errRet != nil {
-					xl.Info("reader goroutine for udp work connection closed")
+					xl.Infof("reader goroutine for udp work connection closed")
 					return
 				}
 			}
@@ -165,25 +165,25 @@ func (sv *SUDPVisitor) worker(workConn net.Conn, firstPacket *msg.UDPPacket) {
 		var errRet error
 		if firstPacket != nil {
 			if errRet = msg.WriteMsg(conn, firstPacket); errRet != nil {
-				xl.Warn("sender goroutine for udp work connection closed: %v", errRet)
+				xl.Warnf("sender goroutine for udp work connection closed: %v", errRet)
 				return
 			}
-			xl.Trace("send udp package to workConn: %s", firstPacket.Content)
+			xl.Tracef("send udp package to workConn: %s", firstPacket.Content)
 		}
 
 		for {
 			select {
 			case udpMsg, ok := <-sv.sendCh:
 				if !ok {
-					xl.Info("sender goroutine for udp work connection closed")
+					xl.Infof("sender goroutine for udp work connection closed")
 					return
 				}
 
 				if errRet = msg.WriteMsg(conn, udpMsg); errRet != nil {
-					xl.Warn("sender goroutine for udp work connection closed: %v", errRet)
+					xl.Warnf("sender goroutine for udp work connection closed: %v", errRet)
 					return
 				}
-				xl.Trace("send udp package to workConn: %s", udpMsg.Content)
+				xl.Tracef("send udp package to workConn: %s", udpMsg.Content)
 			case <-closeCh:
 				return
 			}
@@ -194,7 +194,7 @@ func (sv *SUDPVisitor) worker(workConn net.Conn, firstPacket *msg.UDPPacket) {
 	go workConnSenderFn(workConn)
 
 	wg.Wait()
-	xl.Info("sudp worker is closed")
+	xl.Infof("sudp worker is closed")
 }
 
 func (sv *SUDPVisitor) getNewVisitorConn() (net.Conn, error) {
@@ -235,7 +235,7 @@ func (sv *SUDPVisitor) getNewVisitorConn() (net.Conn, error) {
 	if sv.cfg.Transport.UseEncryption {
 		remote, err = libio.WithEncryption(remote, []byte(sv.cfg.SecretKey))
 		if err != nil {
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
 			return nil, err
 		}
 	}

client/visitor/visitor.go

@@ -20,9 +20,11 @@ import (
 	"sync"
 
 	v1 "github.com/fatedier/frp/pkg/config/v1"
+	plugin "github.com/fatedier/frp/pkg/plugin/visitor"
 	"github.com/fatedier/frp/pkg/transport"
 	netpkg "github.com/fatedier/frp/pkg/util/net"
 	"github.com/fatedier/frp/pkg/util/xlog"
+	"github.com/fatedier/frp/pkg/vnet"
 )
 
 // Helper wraps some functions for visitor to use.
@@ -34,6 +36,8 @@ type Helper interface {
 	// MsgTransporter returns the message transporter that is used to send and receive messages
 	// to the frp server through the controller.
 	MsgTransporter() transport.MessageTransporter
+	// VNetController returns the vnet controller that is used to manage the virtual network.
+	VNetController() *vnet.Controller
 	// RunID returns the run id of current controller.
 	RunID() string
 }
@@ -50,14 +54,34 @@ func NewVisitor(
 	cfg v1.VisitorConfigurer,
 	clientCfg *v1.ClientCommonConfig,
 	helper Helper,
-) (visitor Visitor) {
+) (Visitor, error) {
 	xl := xlog.FromContextSafe(ctx).Spawn().AppendPrefix(cfg.GetBaseConfig().Name)
+	ctx = xlog.NewContext(ctx, xl)
+	var visitor Visitor
 	baseVisitor := BaseVisitor{
 		clientCfg:  clientCfg,
 		helper:     helper,
-		ctx:        xlog.NewContext(ctx, xl),
+		ctx:        ctx,
 		internalLn: netpkg.NewInternalListener(),
 	}
+	if cfg.GetBaseConfig().Plugin.Type != "" {
+		p, err := plugin.Create(
+			cfg.GetBaseConfig().Plugin.Type,
+			plugin.PluginContext{
+				Name:           cfg.GetBaseConfig().Name,
+				Ctx:            ctx,
+				VnetController: helper.VNetController(),
+				SendConnToVisitor: func(conn net.Conn) {
+					_ = baseVisitor.AcceptConn(conn)
+				},
+			},
+			cfg.GetBaseConfig().Plugin.VisitorPluginOptions,
+		)
+		if err != nil {
+			return nil, err
+		}
+		baseVisitor.plugin = p
+	}
 	switch cfg := cfg.(type) {
 	case *v1.STCPVisitorConfig:
 		visitor = &STCPVisitor{
@@ -77,7 +101,7 @@ func NewVisitor(
 			checkCloseCh: make(chan struct{}),
 		}
 	}
-	return
+	return visitor, nil
 }
 
 type BaseVisitor struct {
@@ -85,6 +109,7 @@ type BaseVisitor struct {
 	helper     Helper
 	l          net.Listener
 	internalLn *netpkg.InternalListener
+	plugin     plugin.Plugin
 
 	mu  sync.RWMutex
 	ctx context.Context
@@ -101,4 +126,7 @@ func (v *BaseVisitor) Close() {
 	if v.internalLn != nil {
 		v.internalLn.Close()
 	}
+	if v.plugin != nil {
+		v.plugin.Close()
+	}
 }

client/visitor/visitor_manager.go

@@ -27,6 +27,7 @@ import (
 	v1 "github.com/fatedier/frp/pkg/config/v1"
 	"github.com/fatedier/frp/pkg/transport"
 	"github.com/fatedier/frp/pkg/util/xlog"
+	"github.com/fatedier/frp/pkg/vnet"
 )
 
 type Manager struct {
@@ -50,6 +51,7 @@ func NewManager(
 	clientCfg *v1.ClientCommonConfig,
 	connectServer func() (net.Conn, error),
 	msgTransporter transport.MessageTransporter,
+	vnetController *vnet.Controller,
 ) *Manager {
 	m := &Manager{
 		clientCfg:     clientCfg,
@@ -62,6 +64,7 @@ func NewManager(
 	m.helper = &visitorHelperImpl{
 		connectServerFn: connectServer,
 		msgTransporter:  msgTransporter,
+		vnetController:  vnetController,
 		transferConnFn:  m.TransferConn,
 		runID:           runID,
 	}
@@ -79,14 +82,14 @@ func (vm *Manager) keepVisitorsRunning() {
 	for {
 		select {
 		case <-vm.stopCh:
-			xl.Trace("gracefully shutdown visitor manager")
+			xl.Tracef("gracefully shutdown visitor manager")
 			return
 		case <-ticker.C:
 			vm.mu.Lock()
 			for _, cfg := range vm.cfgs {
 				name := cfg.GetBaseConfig().Name
 				if _, exist := vm.visitors[name]; !exist {
-					xl.Info("try to start visitor [%s]", name)
+					xl.Infof("try to start visitor [%s]", name)
 					_ = vm.startVisitor(cfg)
 				}
 			}
@@ -112,13 +115,17 @@ func (vm *Manager) Close() {
 func (vm *Manager) startVisitor(cfg v1.VisitorConfigurer) (err error) {
 	xl := xlog.FromContextSafe(vm.ctx)
 	name := cfg.GetBaseConfig().Name
-	visitor := NewVisitor(vm.ctx, cfg, vm.clientCfg, vm.helper)
+	visitor, err := NewVisitor(vm.ctx, cfg, vm.clientCfg, vm.helper)
+	if err != nil {
+		xl.Warnf("new visitor error: %v", err)
+		return
+	}
 	err = visitor.Run()
 	if err != nil {
-		xl.Warn("start error: %v", err)
+		xl.Warnf("start error: %v", err)
 	} else {
 		vm.visitors[name] = visitor
-		xl.Info("start visitor success")
+		xl.Infof("start visitor success")
 	}
 	return
 }
@@ -156,7 +163,7 @@ func (vm *Manager) UpdateAll(cfgs []v1.VisitorConfigurer) {
 		}
 	}
 	if len(delNames) > 0 {
-		xl.Info("visitor removed: %v", delNames)
+		xl.Infof("visitor removed: %v", delNames)
 	}
 
 	addNames := make([]string, 0)
@@ -169,7 +176,7 @@ func (vm *Manager) UpdateAll(cfgs []v1.VisitorConfigurer) {
 		}
 	}
 	if len(addNames) > 0 {
-		xl.Info("visitor added: %v", addNames)
+		xl.Infof("visitor added: %v", addNames)
 	}
 }
 
@@ -187,6 +194,7 @@ func (vm *Manager) TransferConn(name string, conn net.Conn) error {
 type visitorHelperImpl struct {
 	connectServerFn func() (net.Conn, error)
 	msgTransporter  transport.MessageTransporter
+	vnetController  *vnet.Controller
 	transferConnFn  func(name string, conn net.Conn) error
 	runID           string
 }
@@ -203,6 +211,10 @@ func (v *visitorHelperImpl) MsgTransporter() transport.MessageTransporter {
 	return v.msgTransporter
 }
 
+func (v *visitorHelperImpl) VNetController() *vnet.Controller {
+	return v.vnetController
+}
+
 func (v *visitorHelperImpl) RunID() string {
 	return v.runID
 }

client/visitor/xtcp.go

@@ -73,6 +73,10 @@ func (sv *XTCPVisitor) Run() (err error) {
 		sv.retryLimiter = rate.NewLimiter(rate.Every(time.Hour/time.Duration(sv.cfg.MaxRetriesAnHour)), sv.cfg.MaxRetriesAnHour)
 		go sv.keepTunnelOpenWorker()
 	}
+
+	if sv.plugin != nil {
+		sv.plugin.Start()
+	}
 	return
 }
 
@@ -93,7 +97,7 @@ func (sv *XTCPVisitor) worker() {
 	for {
 		conn, err := sv.l.Accept()
 		if err != nil {
-			xl.Warn("xtcp local listener closed")
+			xl.Warnf("xtcp local listener closed")
 			return
 		}
 		go sv.handleConn(conn)
@@ -105,7 +109,7 @@ func (sv *XTCPVisitor) internalConnWorker() {
 	for {
 		conn, err := sv.internalLn.Accept()
 		if err != nil {
-			xl.Warn("xtcp internal listener closed")
+			xl.Warnf("xtcp internal listener closed")
 			return
 		}
 		go sv.handleConn(conn)
@@ -140,14 +144,14 @@ func (sv *XTCPVisitor) keepTunnelOpenWorker() {
 		case <-sv.ctx.Done():
 			return
 		case <-ticker.C:
-			xl.Debug("keepTunnelOpenWorker try to check tunnel...")
-			conn, err := sv.getTunnelConn()
+			xl.Debugf("keepTunnelOpenWorker try to check tunnel...")
+			conn, err := sv.getTunnelConn(sv.ctx)
 			if err != nil {
-				xl.Warn("keepTunnelOpenWorker get tunnel connection error: %v", err)
+				xl.Warnf("keepTunnelOpenWorker get tunnel connection error: %v", err)
 				_ = sv.retryLimiter.Wait(sv.ctx)
 				continue
 			}
-			xl.Debug("keepTunnelOpenWorker check success")
+			xl.Debugf("keepTunnelOpenWorker check success")
 			if conn != nil {
 				conn.Close()
 			}
@@ -157,18 +161,26 @@ func (sv *XTCPVisitor) keepTunnelOpenWorker() {
 
 func (sv *XTCPVisitor) handleConn(userConn net.Conn) {
 	xl := xlog.FromContextSafe(sv.ctx)
-	isConnTrasfered := false
+	isConnTransferred := false
+	var tunnelErr error
 	defer func() {
-		if !isConnTrasfered {
+		if !isConnTransferred {
+			// If there was an error and connection supports CloseWithError, use it
+			if tunnelErr != nil {
+				if eConn, ok := userConn.(interface{ CloseWithError(error) error }); ok {
+					_ = eConn.CloseWithError(tunnelErr)
+					return
+				}
+			}
 			userConn.Close()
 		}
 	}()
 
-	xl.Debug("get a new xtcp user connection")
+	xl.Debugf("get a new xtcp user connection")
 
 	// Open a tunnel connection to the server. If there is already a successful hole-punching connection,
 	// it will be reused. Otherwise, it will block and wait for a successful hole-punching connection until timeout.
-	ctx := context.Background()
+	ctx := sv.ctx
 	if sv.cfg.FallbackTo != "" {
 		timeoutCtx, cancel := context.WithTimeout(ctx, time.Duration(sv.cfg.FallbackTimeoutMs)*time.Millisecond)
 		defer cancel()
@@ -176,18 +188,20 @@ func (sv *XTCPVisitor) handleConn(userConn net.Conn) {
 	}
 	tunnelConn, err := sv.openTunnel(ctx)
 	if err != nil {
-		xl.Error("open tunnel error: %v", err)
+		xl.Errorf("open tunnel error: %v", err)
+		tunnelErr = err
+
 		// no fallback, just return
 		if sv.cfg.FallbackTo == "" {
 			return
 		}
 
-		xl.Debug("try to transfer connection to visitor: %s", sv.cfg.FallbackTo)
+		xl.Debugf("try to transfer connection to visitor: %s", sv.cfg.FallbackTo)
 		if err := sv.helper.TransferConn(sv.cfg.FallbackTo, userConn); err != nil {
-			xl.Error("transfer connection to visitor %s error: %v", sv.cfg.FallbackTo, err)
+			xl.Errorf("transfer connection to visitor %s error: %v", sv.cfg.FallbackTo, err)
 			return
 		}
-		isConnTrasfered = true
+		isConnTransferred = true
 		return
 	}
 
@@ -195,7 +209,8 @@ func (sv *XTCPVisitor) handleConn(userConn net.Conn) {
 	if sv.cfg.Transport.UseEncryption {
 		muxConnRWCloser, err = libio.WithEncryption(muxConnRWCloser, []byte(sv.cfg.SecretKey))
 		if err != nil {
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
+			tunnelErr = err
 			return
 		}
 	}
@@ -206,49 +221,46 @@ func (sv *XTCPVisitor) handleConn(userConn net.Conn) {
 	}
 
 	_, _, errs := libio.Join(userConn, muxConnRWCloser)
-	xl.Debug("join connections closed")
+	xl.Debugf("join connections closed")
 	if len(errs) > 0 {
-		xl.Trace("join connections errors: %v", errs)
+		xl.Tracef("join connections errors: %v", errs)
 	}
 }
 
 // openTunnel will open a tunnel connection to the target server.
 func (sv *XTCPVisitor) openTunnel(ctx context.Context) (conn net.Conn, err error) {
 	xl := xlog.FromContextSafe(sv.ctx)
-	ticker := time.NewTicker(500 * time.Millisecond)
-	defer ticker.Stop()
+	ctx, cancel := context.WithTimeout(ctx, 20*time.Second)
+	defer cancel()
 
-	timeoutC := time.After(20 * time.Second)
-	immediateTrigger := make(chan struct{}, 1)
-	defer close(immediateTrigger)
-	immediateTrigger <- struct{}{}
+	timer := time.NewTimer(0)
+	defer timer.Stop()
 
 	for {
 		select {
 		case <-sv.ctx.Done():
 			return nil, sv.ctx.Err()
 		case <-ctx.Done():
-			return nil, ctx.Err()
-		case <-immediateTrigger:
-			conn, err = sv.getTunnelConn()
-		case <-ticker.C:
-			conn, err = sv.getTunnelConn()
-		case <-timeoutC:
-			return nil, fmt.Errorf("open tunnel timeout")
-		}
-
-		if err != nil {
-			if err != ErrNoTunnelSession {
-				xl.Warn("get tunnel connection error: %v", err)
+			if errors.Is(ctx.Err(), context.DeadlineExceeded) {
+				return nil, fmt.Errorf("open tunnel timeout")
 			}
-			continue
+			return nil, ctx.Err()
+		case <-timer.C:
+			conn, err = sv.getTunnelConn(ctx)
+			if err != nil {
+				if !errors.Is(err, ErrNoTunnelSession) {
+					xl.Warnf("get tunnel connection error: %v", err)
+				}
+				timer.Reset(500 * time.Millisecond)
+				continue
+			}
+			return conn, nil
 		}
-		return conn, nil
 	}
 }
 
-func (sv *XTCPVisitor) getTunnelConn() (net.Conn, error) {
-	conn, err := sv.session.OpenConn(sv.ctx)
+func (sv *XTCPVisitor) getTunnelConn(ctx context.Context) (net.Conn, error) {
+	conn, err := sv.session.OpenConn(ctx)
 	if err == nil {
 		return conn, nil
 	}
@@ -268,19 +280,27 @@ func (sv *XTCPVisitor) getTunnelConn() (net.Conn, error) {
 // 4. Create a tunnel session using an underlying UDP connection.
 func (sv *XTCPVisitor) makeNatHole() {
 	xl := xlog.FromContextSafe(sv.ctx)
-	xl.Trace("makeNatHole start")
+	xl.Tracef("makeNatHole start")
 	if err := nathole.PreCheck(sv.ctx, sv.helper.MsgTransporter(), sv.cfg.ServerName, 5*time.Second); err != nil {
-		xl.Warn("nathole precheck error: %v", err)
+		xl.Warnf("nathole precheck error: %v", err)
 		return
 	}
 
-	xl.Trace("nathole prepare start")
-	prepareResult, err := nathole.Prepare([]string{sv.clientCfg.NatHoleSTUNServer})
+	xl.Tracef("nathole prepare start")
+
+	// Prepare NAT traversal options
+	var opts nathole.PrepareOptions
+	if sv.cfg.NatTraversal != nil && sv.cfg.NatTraversal.DisableAssistedAddrs {
+		opts.DisableAssistedAddrs = true
+	}
+
+	prepareResult, err := nathole.Prepare([]string{sv.clientCfg.NatHoleSTUNServer}, opts)
 	if err != nil {
-		xl.Warn("nathole prepare error: %v", err)
+		xl.Warnf("nathole prepare error: %v", err)
 		return
 	}
-	xl.Info("nathole prepare success, nat type: %s, behavior: %s, addresses: %v, assistedAddresses: %v",
+
+	xl.Infof("nathole prepare success, nat type: %s, behavior: %s, addresses: %v, assistedAddresses: %v",
 		prepareResult.NatType, prepareResult.Behavior, prepareResult.Addrs, prepareResult.AssistedAddrs)
 
 	listenConn := prepareResult.ListenConn
@@ -298,30 +318,30 @@ func (sv *XTCPVisitor) makeNatHole() {
 		AssistedAddrs: prepareResult.AssistedAddrs,
 	}
 
-	xl.Trace("nathole exchange info start")
+	xl.Tracef("nathole exchange info start")
 	natHoleRespMsg, err := nathole.ExchangeInfo(sv.ctx, sv.helper.MsgTransporter(), transactionID, natHoleVisitorMsg, 5*time.Second)
 	if err != nil {
 		listenConn.Close()
-		xl.Warn("nathole exchange info error: %v", err)
+		xl.Warnf("nathole exchange info error: %v", err)
 		return
 	}
 
-	xl.Info("get natHoleRespMsg, sid [%s], protocol [%s], candidate address %v, assisted address %v, detectBehavior: %+v",
+	xl.Infof("get natHoleRespMsg, sid [%s], protocol [%s], candidate address %v, assisted address %v, detectBehavior: %+v",
 		natHoleRespMsg.Sid, natHoleRespMsg.Protocol, natHoleRespMsg.CandidateAddrs,
 		natHoleRespMsg.AssistedAddrs, natHoleRespMsg.DetectBehavior)
 
 	newListenConn, raddr, err := nathole.MakeHole(sv.ctx, listenConn, natHoleRespMsg, []byte(sv.cfg.SecretKey))
 	if err != nil {
 		listenConn.Close()
-		xl.Warn("make hole error: %v", err)
+		xl.Warnf("make hole error: %v", err)
 		return
 	}
 	listenConn = newListenConn
-	xl.Info("establishing nat hole connection successful, sid [%s], remoteAddr [%s]", natHoleRespMsg.Sid, raddr)
+	xl.Infof("establishing nat hole connection successful, sid [%s], remoteAddr [%s]", natHoleRespMsg.Sid, raddr)
 
 	if err := sv.session.Init(listenConn, raddr); err != nil {
 		listenConn.Close()
-		xl.Warn("init tunnel session error: %v", err)
+		xl.Warnf("init tunnel session error: %v", err)
 		return
 	}
 }
@@ -394,7 +414,7 @@ func (ks *KCPTunnelSession) Close() {
 }
 
 type QUICTunnelSession struct {
-	session    quic.Connection
+	session    *quic.Conn
 	listenConn *net.UDPConn
 	mu         sync.RWMutex
 

cmd/frpc/main.go

@@ -15,10 +15,12 @@
 package main
 
 import (
-	_ "github.com/fatedier/frp/assets/frpc"
 	"github.com/fatedier/frp/cmd/frpc/sub"
+	"github.com/fatedier/frp/pkg/util/system"
+	_ "github.com/fatedier/frp/web/frpc"
 )
 
 func main() {
+	system.EnableCompatibilityMode()
 	sub.Execute()
 }

cmd/frpc/sub/admin.go

@@ -15,9 +15,11 @@
 package sub
 
 import (
+	"context"
 	"fmt"
 	"os"
 	"strings"
+	"time"
 
 	"github.com/rodaine/table"
 	"github.com/spf13/cobra"
@@ -27,24 +29,24 @@ import (
 	clientsdk "github.com/fatedier/frp/pkg/sdk/client"
 )
 
+var adminAPITimeout = 30 * time.Second
+
 func init() {
-	rootCmd.AddCommand(NewAdminCommand(
-		"reload",
-		"Hot-Reload frpc configuration",
-		ReloadHandler,
-	))
+	commands := []struct {
+		name        string
+		description string
+		handler     func(*v1.ClientCommonConfig) error
+	}{
+		{"reload", "Hot-Reload frpc configuration", ReloadHandler},
+		{"status", "Overview of all proxies status", StatusHandler},
+		{"stop", "Stop the running frpc", StopHandler},
+	}
 
-	rootCmd.AddCommand(NewAdminCommand(
-		"status",
-		"Overview of all proxies status",
-		StatusHandler,
-	))
-
-	rootCmd.AddCommand(NewAdminCommand(
-		"stop",
-		"Stop the running frpc",
-		StopHandler,
-	))
+	for _, cmdConfig := range commands {
+		cmd := NewAdminCommand(cmdConfig.name, cmdConfig.description, cmdConfig.handler)
+		cmd.Flags().DurationVar(&adminAPITimeout, "api-timeout", adminAPITimeout, "Timeout for admin API calls")
+		rootCmd.AddCommand(cmd)
+	}
 }
 
 func NewAdminCommand(name, short string, handler func(*v1.ClientCommonConfig) error) *cobra.Command {
@@ -73,7 +75,9 @@ func NewAdminCommand(name, short string, handler func(*v1.ClientCommonConfig) er
 func ReloadHandler(clientCfg *v1.ClientCommonConfig) error {
 	client := clientsdk.New(clientCfg.WebServer.Addr, clientCfg.WebServer.Port)
 	client.SetAuth(clientCfg.WebServer.User, clientCfg.WebServer.Password)
-	if err := client.Reload(strictConfigMode); err != nil {
+	ctx, cancel := context.WithTimeout(context.Background(), adminAPITimeout)
+	defer cancel()
+	if err := client.Reload(ctx, strictConfigMode); err != nil {
 		return err
 	}
 	fmt.Println("reload success")
@@ -83,7 +87,9 @@ func ReloadHandler(clientCfg *v1.ClientCommonConfig) error {
 func StatusHandler(clientCfg *v1.ClientCommonConfig) error {
 	client := clientsdk.New(clientCfg.WebServer.Addr, clientCfg.WebServer.Port)
 	client.SetAuth(clientCfg.WebServer.User, clientCfg.WebServer.Password)
-	res, err := client.GetAllProxyStatus()
+	ctx, cancel := context.WithTimeout(context.Background(), adminAPITimeout)
+	defer cancel()
+	res, err := client.GetAllProxyStatus(ctx)
 	if err != nil {
 		return err
 	}
@@ -109,7 +115,9 @@ func StatusHandler(clientCfg *v1.ClientCommonConfig) error {
 func StopHandler(clientCfg *v1.ClientCommonConfig) error {
 	client := clientsdk.New(clientCfg.WebServer.Addr, clientCfg.WebServer.Port)
 	client.SetAuth(clientCfg.WebServer.User, clientCfg.WebServer.Password)
-	if err := client.Stop(); err != nil {
+	ctx, cancel := context.WithTimeout(context.Background(), adminAPITimeout)
+	defer cancel()
+	if err := client.Stop(ctx); err != nil {
 		return err
 	}
 	fmt.Println("stop success")

cmd/frpc/sub/nathole.go

@@ -51,7 +51,10 @@ var natholeDiscoveryCmd = &cobra.Command{
 		cfg, _, _, _, err := config.LoadClientConfig(cfgFile, strictConfigMode)
 		if err != nil {
 			cfg = &v1.ClientCommonConfig{}
-			cfg.Complete()
+			if err := cfg.Complete(); err != nil {
+				fmt.Printf("failed to complete config: %v\n", err)
+				os.Exit(1)
+			}
 		}
 		if natHoleSTUNServer != "" {
 			cfg.NatHoleSTUNServer = natHoleSTUNServer

cmd/frpc/sub/proxy.go

@@ -17,13 +17,14 @@ package sub
 import (
 	"fmt"
 	"os"
+	"slices"
 
-	"github.com/samber/lo"
 	"github.com/spf13/cobra"
 
 	"github.com/fatedier/frp/pkg/config"
 	v1 "github.com/fatedier/frp/pkg/config/v1"
 	"github.com/fatedier/frp/pkg/config/v1/validation"
+	"github.com/fatedier/frp/pkg/policy/security"
 )
 
 var proxyTypes = []v1.ProxyType{
@@ -55,7 +56,7 @@ func init() {
 		config.RegisterProxyFlags(cmd, c)
 
 		// add sub command for visitor
-		if lo.Contains(visitorTypes, v1.VisitorType(typ)) {
+		if slices.Contains(visitorTypes, v1.VisitorType(typ)) {
 			vc := v1.NewVisitorConfigurerByType(v1.VisitorType(typ))
 			if vc == nil {
 				panic("visitor type: " + typ + " not support")
@@ -73,8 +74,14 @@ func NewProxyCommand(name string, c v1.ProxyConfigurer, clientCfg *v1.ClientComm
 		Use:   name,
 		Short: fmt.Sprintf("Run frpc with a single %s proxy", name),
 		Run: func(cmd *cobra.Command, args []string) {
-			clientCfg.Complete()
-			if _, err := validation.ValidateClientCommonConfig(clientCfg); err != nil {
+			if err := clientCfg.Complete(); err != nil {
+				fmt.Println(err)
+				os.Exit(1)
+			}
+
+			unsafeFeatures := security.NewUnsafeFeatures(allowUnsafe)
+			validator := validation.NewConfigValidator(unsafeFeatures)
+			if _, err := validator.ValidateClientCommonConfig(clientCfg); err != nil {
 				fmt.Println(err)
 				os.Exit(1)
 			}
@@ -85,7 +92,7 @@ func NewProxyCommand(name string, c v1.ProxyConfigurer, clientCfg *v1.ClientComm
 				fmt.Println(err)
 				os.Exit(1)
 			}
-			err := startService(clientCfg, []v1.ProxyConfigurer{c}, nil, "")
+			err := startService(clientCfg, []v1.ProxyConfigurer{c}, nil, unsafeFeatures, "")
 			if err != nil {
 				fmt.Println(err)
 				os.Exit(1)
@@ -99,8 +106,13 @@ func NewVisitorCommand(name string, c v1.VisitorConfigurer, clientCfg *v1.Client
 		Use:   "visitor",
 		Short: fmt.Sprintf("Run frpc with a single %s visitor", name),
 		Run: func(cmd *cobra.Command, args []string) {
-			clientCfg.Complete()
-			if _, err := validation.ValidateClientCommonConfig(clientCfg); err != nil {
+			if err := clientCfg.Complete(); err != nil {
+				fmt.Println(err)
+				os.Exit(1)
+			}
+			unsafeFeatures := security.NewUnsafeFeatures(allowUnsafe)
+			validator := validation.NewConfigValidator(unsafeFeatures)
+			if _, err := validator.ValidateClientCommonConfig(clientCfg); err != nil {
 				fmt.Println(err)
 				os.Exit(1)
 			}
@@ -111,7 +123,7 @@ func NewVisitorCommand(name string, c v1.VisitorConfigurer, clientCfg *v1.Client
 				fmt.Println(err)
 				os.Exit(1)
 			}
-			err := startService(clientCfg, nil, []v1.VisitorConfigurer{c}, "")
+			err := startService(clientCfg, nil, []v1.VisitorConfigurer{c}, unsafeFeatures, "")
 			if err != nil {
 				fmt.Println(err)
 				os.Exit(1)

cmd/frpc/sub/root.go

@@ -21,6 +21,7 @@ import (
 	"os"
 	"os/signal"
 	"path/filepath"
+	"strings"
 	"sync"
 	"syscall"
 	"time"
@@ -31,6 +32,8 @@ import (
 	"github.com/fatedier/frp/pkg/config"
 	v1 "github.com/fatedier/frp/pkg/config/v1"
 	"github.com/fatedier/frp/pkg/config/v1/validation"
+	"github.com/fatedier/frp/pkg/policy/featuregate"
+	"github.com/fatedier/frp/pkg/policy/security"
 	"github.com/fatedier/frp/pkg/util/log"
 	"github.com/fatedier/frp/pkg/util/version"
 )
@@ -40,13 +43,17 @@ var (
 	cfgDir           string
 	showVersion      bool
 	strictConfigMode bool
+	allowUnsafe      []string
 )
 
 func init() {
 	rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "./frpc.ini", "config file of frpc")
 	rootCmd.PersistentFlags().StringVarP(&cfgDir, "config_dir", "", "", "config directory, run one frpc service for each file in config directory")
 	rootCmd.PersistentFlags().BoolVarP(&showVersion, "version", "v", false, "version of frpc")
-	rootCmd.PersistentFlags().BoolVarP(&strictConfigMode, "strict_config", "", false, "strict config parsing mode, unknown fields will cause an error")
+	rootCmd.PersistentFlags().BoolVarP(&strictConfigMode, "strict_config", "", true, "strict config parsing mode, unknown fields will cause an errors")
+
+	rootCmd.PersistentFlags().StringSliceVarP(&allowUnsafe, "allow-unsafe", "", []string{},
+		fmt.Sprintf("allowed unsafe features, one or more of: %s", strings.Join(security.ClientUnsafeFeatures, ", ")))
 }
 
 var rootCmd = &cobra.Command{
@@ -58,15 +65,17 @@ var rootCmd = &cobra.Command{
 			return nil
 		}
 
+		unsafeFeatures := security.NewUnsafeFeatures(allowUnsafe)
+
 		// If cfgDir is not empty, run multiple frpc service for each config file in cfgDir.
 		// Note that it's only designed for testing. It's not guaranteed to be stable.
 		if cfgDir != "" {
-			_ = runMultipleClients(cfgDir)
+			_ = runMultipleClients(cfgDir, unsafeFeatures)
 			return nil
 		}
 
 		// Do not show command usage here.
-		err := runClient(cfgFile)
+		err := runClient(cfgFile, unsafeFeatures)
 		if err != nil {
 			fmt.Println(err)
 			os.Exit(1)
@@ -75,7 +84,7 @@ var rootCmd = &cobra.Command{
 	},
 }
 
-func runMultipleClients(cfgDir string) error {
+func runMultipleClients(cfgDir string, unsafeFeatures *security.UnsafeFeatures) error {
 	var wg sync.WaitGroup
 	err := filepath.WalkDir(cfgDir, func(path string, d fs.DirEntry, err error) error {
 		if err != nil || d.IsDir() {
@@ -85,7 +94,7 @@ func runMultipleClients(cfgDir string) error {
 		time.Sleep(time.Millisecond)
 		go func() {
 			defer wg.Done()
-			err := runClient(path)
+			err := runClient(path, unsafeFeatures)
 			if err != nil {
 				fmt.Printf("frpc service error for config file [%s]\n", path)
 			}
@@ -97,6 +106,7 @@ func runMultipleClients(cfgDir string) error {
 }
 
 func Execute() {
+	rootCmd.SetGlobalNormalizationFunc(config.WordSepNormalizeFunc)
 	if err := rootCmd.Execute(); err != nil {
 		os.Exit(1)
 	}
@@ -109,7 +119,7 @@ func handleTermSignal(svr *client.Service) {
 	svr.GracefulClose(500 * time.Millisecond)
 }
 
-func runClient(cfgFilePath string) error {
+func runClient(cfgFilePath string, unsafeFeatures *security.UnsafeFeatures) error {
 	cfg, proxyCfgs, visitorCfgs, isLegacyFormat, err := config.LoadClientConfig(cfgFilePath, strictConfigMode)
 	if err != nil {
 		return err
@@ -119,32 +129,41 @@ func runClient(cfgFilePath string) error {
 			"please use yaml/json/toml format instead!\n")
 	}
 
-	warning, err := validation.ValidateAllClientConfig(cfg, proxyCfgs, visitorCfgs)
+	if len(cfg.FeatureGates) > 0 {
+		if err := featuregate.SetFromMap(cfg.FeatureGates); err != nil {
+			return err
+		}
+	}
+
+	warning, err := validation.ValidateAllClientConfig(cfg, proxyCfgs, visitorCfgs, unsafeFeatures)
 	if warning != nil {
 		fmt.Printf("WARNING: %v\n", warning)
 	}
 	if err != nil {
 		return err
 	}
-	return startService(cfg, proxyCfgs, visitorCfgs, cfgFilePath)
+
+	return startService(cfg, proxyCfgs, visitorCfgs, unsafeFeatures, cfgFilePath)
 }
 
 func startService(
 	cfg *v1.ClientCommonConfig,
 	proxyCfgs []v1.ProxyConfigurer,
 	visitorCfgs []v1.VisitorConfigurer,
+	unsafeFeatures *security.UnsafeFeatures,
 	cfgFile string,
 ) error {
-	log.InitLog(cfg.Log.To, cfg.Log.Level, cfg.Log.MaxDays, cfg.Log.DisablePrintColor)
+	log.InitLogger(cfg.Log.To, cfg.Log.Level, int(cfg.Log.MaxDays), cfg.Log.DisablePrintColor)
 
 	if cfgFile != "" {
-		log.Info("start frpc service for config file [%s]", cfgFile)
-		defer log.Info("frpc service for config file [%s] stopped", cfgFile)
+		log.Infof("start frpc service for config file [%s]", cfgFile)
+		defer log.Infof("frpc service for config file [%s] stopped", cfgFile)
 	}
 	svr, err := client.NewService(client.ServiceOptions{
 		Common:         cfg,
 		ProxyCfgs:      proxyCfgs,
 		VisitorCfgs:    visitorCfgs,
+		UnsafeFeatures: unsafeFeatures,
 		ConfigFilePath: cfgFile,
 	})
 	if err != nil {

cmd/frpc/sub/verify.go

@@ -22,6 +22,7 @@ import (
 
 	"github.com/fatedier/frp/pkg/config"
 	"github.com/fatedier/frp/pkg/config/v1/validation"
+	"github.com/fatedier/frp/pkg/policy/security"
 )
 
 func init() {
@@ -42,7 +43,8 @@ var verifyCmd = &cobra.Command{
 			fmt.Println(err)
 			os.Exit(1)
 		}
-		warning, err := validation.ValidateAllClientConfig(cliCfg, proxyCfgs, visitorCfgs)
+		unsafeFeatures := security.NewUnsafeFeatures(allowUnsafe)
+		warning, err := validation.ValidateAllClientConfig(cliCfg, proxyCfgs, visitorCfgs, unsafeFeatures)
 		if warning != nil {
 			fmt.Printf("WARNING: %v\n", warning)
 		}

cmd/frps/main.go

@@ -15,13 +15,12 @@
 package main
 
 import (
-	"github.com/fatedier/golib/crypto"
-
-	_ "github.com/fatedier/frp/assets/frps"
 	_ "github.com/fatedier/frp/pkg/metrics"
+	"github.com/fatedier/frp/pkg/util/system"
+	_ "github.com/fatedier/frp/web/frps"
 )
 
 func main() {
-	crypto.DefaultSalt = "frp"
+	system.EnableCompatibilityMode()
 	Execute()
 }

cmd/frps/root.go

@@ -18,12 +18,14 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"strings"
 
 	"github.com/spf13/cobra"
 
 	"github.com/fatedier/frp/pkg/config"
 	v1 "github.com/fatedier/frp/pkg/config/v1"
 	"github.com/fatedier/frp/pkg/config/v1/validation"
+	"github.com/fatedier/frp/pkg/policy/security"
 	"github.com/fatedier/frp/pkg/util/log"
 	"github.com/fatedier/frp/pkg/util/version"
 	"github.com/fatedier/frp/server"
@@ -33,6 +35,7 @@ var (
 	cfgFile          string
 	showVersion      bool
 	strictConfigMode bool
+	allowUnsafe      []string
 
 	serverCfg v1.ServerConfig
 )
@@ -40,7 +43,9 @@ var (
 func init() {
 	rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "config file of frps")
 	rootCmd.PersistentFlags().BoolVarP(&showVersion, "version", "v", false, "version of frps")
-	rootCmd.PersistentFlags().BoolVarP(&strictConfigMode, "strict_config", "", false, "strict config parsing mode, unknown fields will cause error")
+	rootCmd.PersistentFlags().BoolVarP(&strictConfigMode, "strict_config", "", true, "strict config parsing mode, unknown fields will cause errors")
+	rootCmd.PersistentFlags().StringSliceVarP(&allowUnsafe, "allow-unsafe", "", []string{},
+		fmt.Sprintf("allowed unsafe features, one or more of: %s", strings.Join(security.ServerUnsafeFeatures, ", ")))
 
 	config.RegisterServerConfigFlags(rootCmd, &serverCfg)
 }
@@ -70,11 +75,16 @@ var rootCmd = &cobra.Command{
 					"please use yaml/json/toml format instead!\n")
 			}
 		} else {
-			serverCfg.Complete()
+			if err := serverCfg.Complete(); err != nil {
+				fmt.Printf("failed to complete server config: %v\n", err)
+				os.Exit(1)
+			}
 			svrCfg = &serverCfg
 		}
 
-		warning, err := validation.ValidateServerConfig(svrCfg)
+		unsafeFeatures := security.NewUnsafeFeatures(allowUnsafe)
+		validator := validation.NewConfigValidator(unsafeFeatures)
+		warning, err := validator.ValidateServerConfig(svrCfg)
 		if warning != nil {
 			fmt.Printf("WARNING: %v\n", warning)
 		}
@@ -92,25 +102,26 @@ var rootCmd = &cobra.Command{
 }
 
 func Execute() {
+	rootCmd.SetGlobalNormalizationFunc(config.WordSepNormalizeFunc)
 	if err := rootCmd.Execute(); err != nil {
 		os.Exit(1)
 	}
 }
 
 func runServer(cfg *v1.ServerConfig) (err error) {
-	log.InitLog(cfg.Log.To, cfg.Log.Level, cfg.Log.MaxDays, cfg.Log.DisablePrintColor)
+	log.InitLogger(cfg.Log.To, cfg.Log.Level, int(cfg.Log.MaxDays), cfg.Log.DisablePrintColor)
 
 	if cfgFile != "" {
-		log.Info("frps uses config file: %s", cfgFile)
+		log.Infof("frps uses config file: %s", cfgFile)
 	} else {
-		log.Info("frps uses command line arguments for config")
+		log.Infof("frps uses command line arguments for config")
 	}
 
 	svr, err := server.NewService(cfg)
 	if err != nil {
 		return err
 	}
-	log.Info("frps started successfully")
+	log.Infof("frps started successfully")
 	svr.Run(context.Background())
 	return
 }

cmd/frps/verify.go

@@ -22,6 +22,7 @@ import (
 
 	"github.com/fatedier/frp/pkg/config"
 	"github.com/fatedier/frp/pkg/config/v1/validation"
+	"github.com/fatedier/frp/pkg/policy/security"
 )
 
 func init() {
@@ -42,7 +43,9 @@ var verifyCmd = &cobra.Command{
 			os.Exit(1)
 		}
 
-		warning, err := validation.ValidateServerConfig(svrCfg)
+		unsafeFeatures := security.NewUnsafeFeatures(allowUnsafe)
+		validator := validation.NewConfigValidator(unsafeFeatures)
+		warning, err := validator.ValidateServerConfig(svrCfg)
 		if warning != nil {
 			fmt.Printf("WARNING: %v\n", warning)
 		}

conf/frpc_full_example.toml

@@ -1,5 +1,7 @@
 # This configuration file is for reference only. Please do not use this configuration directly to run the program as it may have various issues.
 
+# Optional unique identifier for this frpc instance.
+clientID = "your_client_id"
 # your proxy name will be changed to {user}.{proxy}
 user = "your_name"
 
@@ -32,6 +34,11 @@ auth.method = "token"
 # auth token
 auth.token = "12345678"
 
+# alternatively, you can use tokenSource to load the token from a file
+# this is mutually exclusive with auth.token
+# auth.tokenSource.type = "file"
+# auth.tokenSource.file.path = "/etc/frp/token"
+
 # oidc.clientID specifies the client ID to use to get a token in OIDC authentication.
 # auth.oidc.clientID = ""
 # oidc.clientSecret specifies the client secret to use to get a token in OIDC authentication.
@@ -50,6 +57,20 @@ auth.token = "12345678"
 # auth.oidc.additionalEndpointParams.audience = "https://dev.auth.com/api/v2/"
 # auth.oidc.additionalEndpointParams.var1 = "foobar"
 
+# OIDC TLS and proxy configuration
+# Specify a custom CA certificate file for verifying the OIDC token endpoint's TLS certificate.
+# This is useful when the OIDC provider uses a self-signed certificate or a custom CA.
+# auth.oidc.trustedCaFile = "/path/to/ca.crt"
+
+# Skip TLS certificate verification for the OIDC token endpoint.
+# INSECURE: Only use this for debugging purposes, not recommended for production.
+# auth.oidc.insecureSkipVerify = false
+
+# Specify a proxy server for OIDC token endpoint connections.
+# Supports http, https, socks5, and socks5h proxy protocols.
+# If not specified, no proxy is used for OIDC connections.
+# auth.oidc.proxyURL = "http://proxy.example.com:8080"
+
 # Set admin address for control frpc's action by http api such as reload
 webServer.addr = "127.0.0.1"
 webServer.port = 7400
@@ -76,7 +97,7 @@ transport.poolCount = 5
 
 # Specify keep alive interval for tcp mux.
 # only valid if tcpMux is enabled.
-# transport.tcpMuxKeepaliveInterval = 60
+# transport.tcpMuxKeepaliveInterval = 30
 
 # Communication protocol used to connect to server
 # supports tcp, kcp, quic, websocket and wss now, default is tcp
@@ -124,11 +145,25 @@ transport.tls.enable = true
 # Default is empty, means all proxies.
 # start = ["ssh", "dns"]
 
+# Alternative to 'start': You can control each proxy individually using the 'enabled' field.
+# Set 'enabled = false' in a proxy configuration to disable it.
+# If 'enabled' is not set or set to true, the proxy is enabled by default.
+# The 'enabled' field provides more granular control and is recommended over 'start'.
+
 # Specify udp packet size, unit is byte. If not set, the default value is 1500.
 # This parameter should be same between client and server.
 # It affects the udp and sudp proxy.
 udpPacketSize = 1500
 
+# Feature gates allows you to enable or disable experimental features
+# Format is a map of feature names to boolean values
+# You can enable specific features:
+#featureGates = { VirtualNet = true }
+
+# VirtualNet settings for experimental virtual network capabilities
+# The virtual network feature requires enabling the VirtualNet feature gate above
+# virtualNet.address = "100.86.1.1/24"
+
 # Additional metadatas for client.
 metadatas.var1 = "abc"
 metadatas.var2 = "123"
@@ -141,6 +176,8 @@ metadatas.var2 = "123"
 # If global user is not empty, it will be changed to {user}.{proxy} such as 'your_name.ssh'
 name = "ssh"
 type = "tcp"
+# Enable or disable this proxy. true or omit this field to enable, false to disable.
+# enabled = true
 localIP = "127.0.0.1"
 localPort = 22
 # Limit bandwidth for this proxy, unit is KB and MB
@@ -164,11 +201,16 @@ healthCheck.type = "tcp"
 healthCheck.timeoutSeconds = 3
 # If continuous failed in 3 times, the proxy will be removed from frps
 healthCheck.maxFailed = 3
-# every 10 seconds will do a health check
+# Every 10 seconds will do a health check
 healthCheck.intervalSeconds = 10
-# additional meta info for each proxy
+# Additional meta info for each proxy. It will be passed to the server-side plugin for use.
 metadatas.var1 = "abc"
 metadatas.var2 = "123"
+# You can add some extra information to the proxy through annotations.
+# These annotations will be displayed on the frps dashboard.
+[proxies.annotations]
+key1 = "value1"
+"prefix/key2" = "value2"
 
 [[proxies]]
 name = "ssh_random"
@@ -204,6 +246,7 @@ locations = ["/", "/pic"]
 # routeByHTTPUser = abc
 hostHeaderRewrite = "example.com"
 requestHeaders.set.x-from-where = "frp"
+responseHeaders.set.foo = "bar"
 healthCheck.type = "http"
 # frpc will send a GET http request '/status' to local http service
 # http service is alive when it return 2xx http response code
@@ -211,10 +254,16 @@ healthCheck.path = "/status"
 healthCheck.intervalSeconds = 10
 healthCheck.maxFailed = 3
 healthCheck.timeoutSeconds = 3
+# set health check headers
+healthCheck.httpHeaders=[
+    { name = "x-from-where", value = "frp" }
+]
 
 [[proxies]]
 name = "web02"
 type = "https"
+# Disable this proxy by setting enabled to false
+# enabled = false
 localIP = "127.0.0.1"
 localPort = 8000
 subdomain = "web02"
@@ -305,6 +354,26 @@ localAddr = "127.0.0.1:443"
 hostHeaderRewrite = "127.0.0.1"
 requestHeaders.set.x-from-where = "frp"
 
+[[proxies]]
+name = "plugin_http2http"
+type = "tcp"
+remotePort = 6007
+[proxies.plugin]
+type = "http2http"
+localAddr = "127.0.0.1:80"
+hostHeaderRewrite = "127.0.0.1"
+requestHeaders.set.x-from-where = "frp"
+
+[[proxies]]
+name = "plugin_tls2raw"
+type = "tcp"
+remotePort = 6008
+[proxies.plugin]
+type = "tls2raw"
+localAddr = "127.0.0.1:80"
+crtPath = "./server.crt"
+keyPath = "./server.key"
+
 [[proxies]]
 name = "secret_tcp"
 # If the type is secret tcp, remotePort is useless
@@ -328,6 +397,21 @@ localPort = 22
 # Otherwise, visitors from same user can connect. '*' means allow all users.
 allowUsers = ["user1", "user2"]
 
+# NAT traversal configuration (optional)
+[proxies.natTraversal]
+# Disable the use of local network interfaces (assisted addresses) for NAT traversal.
+# When enabled, only STUN-discovered public addresses will be used.
+# This can improve performance when you have slow VPN connections.
+# Default: false
+disableAssistedAddrs = false
+
+[[proxies]]
+name = "vnet-server"
+type = "stcp"
+secretKey = "your-secret-key"
+[proxies.plugin]
+type = "virtual_net"
+
 # frpc role visitor -> frps -> frpc role server
 [[visitors]]
 name = "secret_tcp_visitor"
@@ -359,3 +443,20 @@ maxRetriesAnHour = 8
 minRetryInterval = 90
 # fallbackTo = "stcp_visitor"
 # fallbackTimeoutMs = 500
+
+# NAT traversal configuration (optional)
+[visitors.natTraversal]
+# Disable the use of local network interfaces (assisted addresses) for NAT traversal.
+# When enabled, only STUN-discovered public addresses will be used.
+# Default: false
+disableAssistedAddrs = false
+
+[[visitors]]
+name = "vnet-visitor"
+type = "stcp"
+serverName = "vnet-server"
+secretKey = "your-secret-key"
+bindPort = -1
+[visitors.plugin]
+type = "virtual_net"
+destinationIP = "100.86.0.1"

conf/frps_full_example.toml

@@ -34,14 +34,14 @@ transport.maxPoolCount = 5
 
 # Specify keep alive interval for tcp mux.
 # only valid if tcpMux is true.
-# transport.tcpMuxKeepaliveInterval = 60
+# transport.tcpMuxKeepaliveInterval = 30
 
 # tcpKeepalive specifies the interval between keep-alive probes for an active network connection between frpc and frps.
 # If negative, keep-alive probes are disabled.
 # transport.tcpKeepalive = 7200
 
 # transport.tls.force specifies whether to only accept TLS-encrypted connections. By default, the value is false.
-tls.force = false
+transport.tls.force = false
 
 # transport.tls.certFile = "server.crt"
 # transport.tls.keyFile = "server.key"
@@ -105,6 +105,11 @@ auth.method = "token"
 # auth token
 auth.token = "12345678"
 
+# alternatively, you can use tokenSource to load the token from a file
+# this is mutually exclusive with auth.token
+# auth.tokenSource.type = "file"
+# auth.tokenSource.file.path = "/etc/frp/token"
+
 # oidc issuer specifies the issuer to verify OIDC tokens with.
 auth.oidc.issuer = ""
 # oidc audience specifies the audience OIDC tokens should contain when validated.
@@ -129,7 +134,7 @@ allowPorts = [
 maxPortsPerClient = 0
 
 # If subDomainHost is not empty, you can set subdomain when type is http or https in frpc's configure file
-# When subdomain is est, the host used by routing is test.frps.com
+# When subdomain is test, the host used by routing is test.frps.com
 subDomainHost = "frps.com"
 
 # custom 404 page for HTTP requests

doc/server_plugin.md

@@ -121,7 +121,7 @@ Create new proxy
         // http and https only
         "custom_domains": []<string>,
         "subdomain": <string>,
-        "locations": <string>,
+        "locations": []<string>,
         "http_user": <string>,
         "http_pwd": <string>,
         "host_header_rewrite": <string>,

doc/virtual_net.md

@@ -0,0 +1,73 @@
+# Virtual Network (VirtualNet)
+
+*Alpha feature added in v0.62.0*
+
+The VirtualNet feature enables frp to create and manage virtual network connections between clients and visitors through a TUN interface. This allows for IP-level routing between machines, extending frp beyond simple port forwarding to support full network connectivity.
+
+> **Note**: VirtualNet is an Alpha stage feature and is currently unstable. Its configuration methods and functionality may be adjusted and changed at any time in subsequent versions. Do not use this feature in production environments; it is only recommended for testing and evaluation purposes.
+
+## Enabling VirtualNet
+
+Since VirtualNet is currently an alpha feature, you need to enable it with feature gates in your configuration:
+
+```toml
+# frpc.toml
+featureGates = { VirtualNet = true }
+```
+
+## Basic Configuration
+
+To use the virtual network capabilities:
+
+1. First, configure your frpc with a virtual network address:
+
+```toml
+# frpc.toml
+serverAddr = "x.x.x.x"
+serverPort = 7000
+featureGates = { VirtualNet = true }
+
+# Configure the virtual network interface
+virtualNet.address = "100.86.0.1/24"
+```
+
+2. For client proxies, use the `virtual_net` plugin:
+
+```toml
+# frpc.toml (server side)
+[[proxies]]
+name = "vnet-server"
+type = "stcp"
+secretKey = "your-secret-key"
+[proxies.plugin]
+type = "virtual_net"
+```
+
+3. For visitor connections, configure the `virtual_net` visitor plugin:
+
+```toml
+# frpc.toml (client side)
+serverAddr = "x.x.x.x"
+serverPort = 7000
+featureGates = { VirtualNet = true }
+
+# Configure the virtual network interface
+virtualNet.address = "100.86.0.2/24"
+
+[[visitors]]
+name = "vnet-visitor"
+type = "stcp"
+serverName = "vnet-server"
+secretKey = "your-secret-key"
+bindPort = -1
+[visitors.plugin]
+type = "virtual_net"
+destinationIP = "100.86.0.1"
+```
+
+## Requirements and Limitations
+
+- **Permissions**: Creating a TUN interface requires elevated permissions (root/admin)
+- **Platform Support**: Currently supported on Linux and macOS
+- **Default Status**: As an alpha feature, VirtualNet is disabled by default
+- **Configuration**: A valid IP/CIDR must be provided for each endpoint in the virtual network 

dockerfiles/Dockerfile-for-frpc

@@ -1,12 +1,22 @@
-FROM golang:1.21 AS building
+FROM node:22 AS web-builder
+
+WORKDIR /web/frpc
+COPY web/frpc/ ./
+RUN npm install
+RUN npm run build
+
+FROM golang:1.24 AS building
 
 COPY . /building
+COPY --from=web-builder /web/frpc/dist /building/web/frpc/dist
 WORKDIR /building
 
-RUN make frpc
+RUN env CGO_ENABLED=0 go build -trimpath -ldflags "-s -w" -tags frpc -o bin/frpc ./cmd/frpc
 
 FROM alpine:3
 
+RUN apk add --no-cache tzdata
+
 COPY --from=building /building/bin/frpc /usr/bin/frpc
 
 ENTRYPOINT ["/usr/bin/frpc"]

dockerfiles/Dockerfile-for-frps

@@ -1,12 +1,22 @@
-FROM golang:1.21 AS building
+FROM node:22 AS web-builder
+
+WORKDIR /web/frps
+COPY web/frps/ ./
+RUN npm install
+RUN npm run build
+
+FROM golang:1.24 AS building
 
 COPY . /building
+COPY --from=web-builder /web/frps/dist /building/web/frps/dist
 WORKDIR /building
 
-RUN make frps
+RUN env CGO_ENABLED=0 go build -trimpath -ldflags "-s -w" -tags frps -o bin/frps ./cmd/frps
 
 FROM alpine:3
 
+RUN apk add --no-cache tzdata
+
 COPY --from=building /building/bin/frps /usr/bin/frps
 
 ENTRYPOINT ["/usr/bin/frps"]

go.mod

@@ -1,83 +1,84 @@
 module github.com/fatedier/frp
 
-go 1.20
+go 1.24.0
 
 require (
 	github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
-	github.com/coreos/go-oidc/v3 v3.6.0
-	github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb
-	github.com/fatedier/golib v0.1.1-0.20230725122706-dcbaee8eef40
-	github.com/fatedier/kcp-go v2.0.4-0.20190803094908-fe8645b0a904+incompatible
-	github.com/google/uuid v1.3.0
-	github.com/gorilla/mux v1.8.0
+	github.com/coreos/go-oidc/v3 v3.14.1
+	github.com/fatedier/golib v0.5.1
+	github.com/google/uuid v1.6.0
+	github.com/gorilla/mux v1.8.1
 	github.com/gorilla/websocket v1.5.0
 	github.com/hashicorp/yamux v0.1.1
-	github.com/onsi/ginkgo/v2 v2.11.0
-	github.com/onsi/gomega v1.27.8
-	github.com/pelletier/go-toml/v2 v2.1.0
-	github.com/pion/stun v0.6.1
+	github.com/onsi/ginkgo/v2 v2.23.4
+	github.com/onsi/gomega v1.36.3
+	github.com/pelletier/go-toml/v2 v2.2.0
+	github.com/pion/stun/v2 v2.0.0
 	github.com/pires/go-proxyproto v0.7.0
-	github.com/prometheus/client_golang v1.16.0
-	github.com/quic-go/quic-go v0.37.4
-	github.com/rodaine/table v1.1.0
-	github.com/samber/lo v1.38.1
+	github.com/prometheus/client_golang v1.19.1
+	github.com/quic-go/quic-go v0.55.0
+	github.com/rodaine/table v1.2.0
+	github.com/samber/lo v1.47.0
+	github.com/songgao/water v0.0.0-20200317203138-2b4b6d7c09d8
 	github.com/spf13/cobra v1.8.0
 	github.com/spf13/pflag v1.0.5
-	github.com/stretchr/testify v1.8.4
-	golang.org/x/crypto v0.15.0
-	golang.org/x/net v0.17.0
-	golang.org/x/oauth2 v0.10.0
-	golang.org/x/sync v0.3.0
-	golang.org/x/time v0.3.0
+	github.com/stretchr/testify v1.10.0
+	github.com/tidwall/gjson v1.17.1
+	github.com/vishvananda/netlink v1.3.0
+	github.com/xtaci/kcp-go/v5 v5.6.13
+	golang.org/x/crypto v0.41.0
+	golang.org/x/net v0.43.0
+	golang.org/x/oauth2 v0.28.0
+	golang.org/x/sync v0.16.0
+	golang.org/x/time v0.5.0
+	golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173
 	gopkg.in/ini.v1 v1.67.0
-	k8s.io/apimachinery v0.27.4
-	k8s.io/client-go v0.27.4
+	k8s.io/apimachinery v0.28.8
+	k8s.io/client-go v0.28.8
 )
 
 require (
-	github.com/Azure/go-ntlmssp v0.0.0-20200615164410-66371956d46c // indirect
+	github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/go-jose/go-jose/v3 v3.0.0 // indirect
-	github.com/go-logr/logr v1.2.4 // indirect
-	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
-	github.com/golang/mock v1.6.0 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/go-jose/go-jose/v4 v4.0.5 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
-	github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1 // indirect
+	github.com/google/go-cmp v0.7.0 // indirect
+	github.com/google/pprof v0.0.0-20250403155104-27863c87afa6 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/klauspost/cpuid/v2 v2.0.6 // indirect
-	github.com/klauspost/reedsolomon v1.9.15 // indirect
-	github.com/kr/text v0.2.0 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.6 // indirect
+	github.com/klauspost/reedsolomon v1.12.0 // indirect
 	github.com/pion/dtls/v2 v2.2.7 // indirect
 	github.com/pion/logging v0.2.2 // indirect
 	github.com/pion/transport/v2 v2.2.1 // indirect
+	github.com/pion/transport/v3 v3.0.1 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_model v0.3.0 // indirect
-	github.com/prometheus/common v0.42.0 // indirect
-	github.com/prometheus/procfs v0.10.1 // indirect
-	github.com/quic-go/qtls-go1-20 v0.3.1 // indirect
-	github.com/rogpeppe/go-internal v1.11.0 // indirect
-	github.com/templexxx/cpufeat v0.0.0-20180724012125-cef66df7f161 // indirect
-	github.com/templexxx/xor v0.0.0-20191217153810-f85b25db303b // indirect
+	github.com/prometheus/client_model v0.5.0 // indirect
+	github.com/prometheus/common v0.48.0 // indirect
+	github.com/prometheus/procfs v0.12.0 // indirect
+	github.com/templexxx/cpu v0.1.1 // indirect
+	github.com/templexxx/xorsimd v0.4.3 // indirect
+	github.com/tidwall/match v1.1.1 // indirect
+	github.com/tidwall/pretty v1.2.0 // indirect
 	github.com/tjfoc/gmsm v1.4.1 // indirect
-	golang.org/x/exp v0.0.0-20221205204356-47842c84f3db // indirect
-	golang.org/x/mod v0.10.0 // indirect
-	golang.org/x/sys v0.14.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	golang.org/x/tools v0.9.3 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	github.com/vishvananda/netns v0.0.4 // indirect
+	go.uber.org/automaxprocs v1.6.0 // indirect
+	golang.org/x/mod v0.27.0 // indirect
+	golang.org/x/sys v0.35.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
+	golang.org/x/tools v0.36.0 // indirect
+	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
+	google.golang.org/protobuf v1.36.5 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/utils v0.0.0-20230209194617-a36077c30491 // indirect
+	k8s.io/utils v0.0.0-20230406110748-d93618cff8a2 // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/yaml v1.3.0 // indirect
 )
 
 // TODO(fatedier): Temporary use the modified version, update to the official version after merging into the official repository.
-replace github.com/hashicorp/yamux => github.com/fatedier/yamux v0.0.0-20230628132301-7aca4898904d
+replace github.com/hashicorp/yamux => github.com/fatedier/yamux v0.0.0-20250825093530-d0154be01cd6

go.sum

@@ -1,6 +1,6 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/Azure/go-ntlmssp v0.0.0-20200615164410-66371956d46c h1:/IBSNwUN8+eKzUzbJPqhK839ygXJ82sde8x3ogr6R28=
-github.com/Azure/go-ntlmssp v0.0.0-20200615164410-66371956d46c/go.mod h1:chxPXzSsl7ZWRAuOIE23GDNzjWuZquvFlgA8xmpunjU=
+github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 h1:mFRzDkZVAjdal+s7s0MwaRv9igoPqLRdzOLzw/8Xvq8=
+github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358/go.mod h1:chxPXzSsl7ZWRAuOIE23GDNzjWuZquvFlgA8xmpunjU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio=
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
@@ -9,125 +9,115 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
 github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/coreos/go-oidc/v3 v3.6.0 h1:AKVxfYw1Gmkn/w96z0DbT/B/xFnzTd3MkZvWLjF4n/o=
-github.com/coreos/go-oidc/v3 v3.6.0/go.mod h1:ZpHUsHBucTUj6WOkrP4E20UPynbLZzhTQ1XKCXkxyPc=
+github.com/coreos/go-oidc/v3 v3.14.1 h1:9ePWwfdwC4QKRlCXsJGou56adA/owXczOzwKdOumLqk=
+github.com/coreos/go-oidc/v3 v3.14.1/go.mod h1:HaZ3szPaZ0e4r6ebqvsLWlk2Tn+aejfmrfah6hnSYEU=
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb h1:wCrNShQidLmvVWn/0PikGmpdP0vtQmnvyRg3ZBEhczw=
-github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb/go.mod h1:wx3gB6dbIfBRcucp94PI9Bt3I0F2c/MyNEWuhzpWiwk=
-github.com/fatedier/golib v0.1.1-0.20230725122706-dcbaee8eef40 h1:BVdpWT6viE/mpuRa6txNyRNjtHa1Efrii9Du6/gHfJ0=
-github.com/fatedier/golib v0.1.1-0.20230725122706-dcbaee8eef40/go.mod h1:Lmi9U4VfvdRvonSMh1FgXVy1hCXycVyJk4E9ktokknE=
-github.com/fatedier/kcp-go v2.0.4-0.20190803094908-fe8645b0a904+incompatible h1:ssXat9YXFvigNge/IkkZvFMn8yeYKFX+uI6wn2mLJ74=
-github.com/fatedier/kcp-go v2.0.4-0.20190803094908-fe8645b0a904+incompatible/go.mod h1:YpCOaxj7vvMThhIQ9AfTOPW2sfztQR5WDfs7AflSy4s=
-github.com/fatedier/yamux v0.0.0-20230628132301-7aca4898904d h1:ynk1ra0RUqDWQfvFi5KtMiSobkVQ3cNc0ODb8CfIETo=
-github.com/fatedier/yamux v0.0.0-20230628132301-7aca4898904d/go.mod h1:CtWFDAQgb7dxtzFs4tWbplKIe2jSi3+5vKbgIO0SLnQ=
-github.com/go-jose/go-jose/v3 v3.0.0 h1:s6rrhirfEP/CGIoc6p+PZAeogN2SxKav6Wp7+dyMWVo=
-github.com/go-jose/go-jose/v3 v3.0.0/go.mod h1:RNkWWRld676jZEYoV3+XK8L2ZnNSvIsxFMht0mSX+u8=
-github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
-github.com/go-logr/logr v1.2.4/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI=
-github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572/go.mod h1:9Pwr4B2jHnOSGXyyzV8ROjYa2ojvAY6HCGYYfMoC3Ls=
+github.com/fatedier/golib v0.5.1 h1:hcKAnaw5mdI/1KWRGejxR+i1Hn/NvbY5UsMKDr7o13M=
+github.com/fatedier/golib v0.5.1/go.mod h1:W6kIYkIFxHsTzbgqg5piCxIiDo4LzwgTY6R5W8l9NFQ=
+github.com/fatedier/yamux v0.0.0-20250825093530-d0154be01cd6 h1:u92UUy6FURPmNsMBUuongRWC0rBqN6gd01Dzu+D21NE=
+github.com/fatedier/yamux v0.0.0-20250825093530-d0154be01cd6/go.mod h1:c5/tk6G0dSpXGzJN7Wk1OEie8grdSJAmeawId9Zvd34=
+github.com/go-jose/go-jose/v4 v4.0.5 h1:M6T8+mKZl/+fNNuFHvGIzDz7BTLQPIounk/b9dw3AaE=
+github.com/go-jose/go-jose/v4 v4.0.5/go.mod h1:s3P1lRrkT8igV8D9OjyL4WRyHvjB6a4JSllnOrmmBOA=
+github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
+github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-task/slim-sprig/v3 v3.0.0 h1:sUs3vkvUymDpBKi3qH1YSqBQk9+9D/8M2mN1vB6EwHI=
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 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
-golang.org/x/term v0.14.0 h1:LGK9IlZ8T9jvdy6cTdfKUCltatMFOehAQo9SRC46UQ8=
+golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
+golang.org/x/term v0.11.0/go.mod h1:zC9APTIj3jG3FdV/Ons+XE1riIZXG4aZ4GTHiPZJPIU=
+golang.org/x/term v0.34.0 h1:O/2T7POpk0ZZ7MAzMeWFSg6S5IpWd/RXDlM9hgM3DR4=
+golang.org/x/term v0.34.0/go.mod h1:5jC53AEywhIVebHgPVeg0mj8OD3VO9OzclacVrqpaAw=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/time v0.3.0 h1:rg5rLMjNzMS1RkNLzCG38eapWhnYLFYXDXj2gOlr8j4=
-golang.org/x/time v0.3.0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
+golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
+golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
+golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.9.3 h1:Gn1I8+64MsuTb/HpH+LmQtNas23LhUVr3rYZ0eKuaMM=
-golang.org/x/tools v0.9.3/go.mod h1:owI94Op576fPu3cIGQeHs3joujW/2Oc6MtlxbF5dfNc=
+golang.org/x/tools v0.36.0 h1:kWS0uv/zsvHEle1LbV5LE8QujrxB3wfQyxHfhOk0Qkg=
+golang.org/x/tools v0.36.0/go.mod h1:WBDiHKJK8YgLHlcQPYQzNCkUxUypCaa5ZegCVutKm+s=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 h1:B82qJJgjvYKsXS9jeunTOisW56dUokqW/FOteYJJ/yg=
+golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
+golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173 h1:/jFs0duh4rdb8uIfPMv78iAJGcPKDeqAFnaLBropIC4=
+golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173/go.mod h1:tkCQ4FQXmpAgYVh++1cq16/dH4QJtmvpRv19DWGAHSA=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
-google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
@@ -258,12 +263,11 @@ google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQ
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
-google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
+google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
 gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
@@ -271,14 +275,16 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gvisor.dev/gvisor v0.0.0-20230927004350-cbd86285d259 h1:TbRPT0HtzFP3Cno1zZo7yPzEEnfu8EjLfl6IU9VfqkQ=
+gvisor.dev/gvisor v0.0.0-20230927004350-cbd86285d259/go.mod h1:AVgIgHMwK63XvmAzWG9vLQ41YnVHN0du0tEC46fI7yY=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-k8s.io/apimachinery v0.27.4 h1:CdxflD4AF61yewuid0fLl6bM4a3q04jWel0IlP+aYjs=
-k8s.io/apimachinery v0.27.4/go.mod h1:XNfZ6xklnMCOGGFNqXG7bUrQCoR04dh/E7FprV6pb+E=
-k8s.io/client-go v0.27.4 h1:vj2YTtSJ6J4KxaC88P4pMPEQECWMY8gqPqsTgUKzvjk=
-k8s.io/client-go v0.27.4/go.mod h1:ragcly7lUlN0SRPk5/ZkGnDjPknzb37TICq07WhI6Xc=
-k8s.io/utils v0.0.0-20230209194617-a36077c30491 h1:r0BAOLElQnnFhE/ApUsg3iHdVYYPBjNSSOMowRZxxsY=
-k8s.io/utils v0.0.0-20230209194617-a36077c30491/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
+k8s.io/apimachinery v0.28.8 h1:hi/nrxHwk4QLV+W/SHve1bypTE59HCDorLY1stBIxKQ=
+k8s.io/apimachinery v0.28.8/go.mod h1:cBnwIM3fXoRo28SqbV/Ihxf/iviw85KyXOrzxvZQ83U=
+k8s.io/client-go v0.28.8 h1:TE59Tjd87WKvS2FPBTfIKLFX0nQJ4SSHsnDo5IHjgOw=
+k8s.io/client-go v0.28.8/go.mod h1:uDVQ/rPzWpWIy40c6lZ4mUwaEvRWGnpoqSO4FM65P3o=
+k8s.io/utils v0.0.0-20230406110748-d93618cff8a2 h1:qY1Ad8PODbnymg2pRbkyMT/ylpTrCM8P2RJ0yroCyIk=
+k8s.io/utils v0.0.0-20230406110748-d93618cff8a2/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
 sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=

hack/run-e2e.sh

@@ -3,10 +3,10 @@
 SCRIPT=$(readlink -f "$0")
 ROOT=$(unset CDPATH && cd "$(dirname "$SCRIPT")/.." && pwd)
 
-ginkgo_command=$(which ginkgo 2>/dev/null)
-if [ -z "$ginkgo_command" ]; then
+# Check if ginkgo is available
+if ! command -v ginkgo >/dev/null 2>&1; then
     echo "ginkgo not found, try to install..."
-    go install github.com/onsi/ginkgo/v2/ginkgo@v2.11.0
+    go install github.com/onsi/ginkgo/v2/ginkgo@v2.23.4
 fi
 
 debug=false
@@ -26,5 +26,9 @@ frpsPath=${ROOT}/bin/frps
 if [ "${FRPS_PATH}" ]; then
     frpsPath="${FRPS_PATH}"
 fi
+concurrency="16"
+if [ "${CONCURRENCY}" ]; then
+    concurrency="${CONCURRENCY}"
+fi
 
-ginkgo -nodes=8 --poll-progress-after=60s ${ROOT}/test/e2e -- -frpc-path=${frpcPath} -frps-path=${frpsPath} -log-level=${logLevel} -debug=${debug}
+ginkgo -nodes=${concurrency} --poll-progress-after=60s ${ROOT}/test/e2e -- -frpc-path=${frpcPath} -frps-path=${frpsPath} -log-level=${logLevel} -debug=${debug}

package.sh

@@ -1,3 +1,6 @@
+#!/bin/sh
+set -e
+
 # compile for version
 make
 if [ $? -ne 0 ]; then
@@ -14,50 +17,57 @@ make -f ./Makefile.cross-compiles
 rm -rf ./release/packages
 mkdir -p ./release/packages
 
-os_all='linux windows darwin freebsd'
-arch_all='386 amd64 arm arm64 mips64 mips64le mips mipsle riscv64'
+os_all='linux windows darwin freebsd openbsd android'
+arch_all='386 amd64 arm arm64 mips64 mips64le mips mipsle riscv64 loong64'
+extra_all='_ hf'
 
 cd ./release
 
 for os in $os_all; do
     for arch in $arch_all; do
-        frp_dir_name="frp_${frp_version}_${os}_${arch}"
-        frp_path="./packages/frp_${frp_version}_${os}_${arch}"
+        for extra in $extra_all; do
+            suffix="${os}_${arch}"
+            if [ "x${extra}" != x"_" ]; then
+                suffix="${os}_${arch}_${extra}"
+            fi
+            frp_dir_name="frp_${frp_version}_${suffix}"
+            frp_path="./packages/frp_${frp_version}_${suffix}"
 
-        if [ "x${os}" = x"windows" ]; then
-            if [ ! -f "./frpc_${os}_${arch}.exe" ]; then
-                continue
-            fi
-            if [ ! -f "./frps_${os}_${arch}.exe" ]; then
-                continue
-            fi
-            mkdir ${frp_path}
-            mv ./frpc_${os}_${arch}.exe ${frp_path}/frpc.exe
-            mv ./frps_${os}_${arch}.exe ${frp_path}/frps.exe
-        else
-            if [ ! -f "./frpc_${os}_${arch}" ]; then
-                continue
-            fi
-            if [ ! -f "./frps_${os}_${arch}" ]; then
-                continue
-            fi
-            mkdir ${frp_path}
-            mv ./frpc_${os}_${arch} ${frp_path}/frpc
-            mv ./frps_${os}_${arch} ${frp_path}/frps
-        fi  
-        cp ../LICENSE ${frp_path}
-        cp -f ../conf/frpc.toml ${frp_path}
-        cp -f ../conf/frps.toml ${frp_path}
+            if [ "x${os}" = x"windows" ]; then
+                if [ ! -f "./frpc_${os}_${arch}.exe" ]; then
+                    continue
+                fi
+                if [ ! -f "./frps_${os}_${arch}.exe" ]; then
+                    continue
+                fi
+                mkdir ${frp_path}
+                mv ./frpc_${os}_${arch}.exe ${frp_path}/frpc.exe
+                mv ./frps_${os}_${arch}.exe ${frp_path}/frps.exe
+            else
+                if [ ! -f "./frpc_${suffix}" ]; then
+                    continue
+                fi
+                if [ ! -f "./frps_${suffix}" ]; then
+                    continue
+                fi
+                mkdir ${frp_path}
+                mv ./frpc_${suffix} ${frp_path}/frpc
+                mv ./frps_${suffix} ${frp_path}/frps
+            fi  
+            cp ../LICENSE ${frp_path}
+            cp -f ../conf/frpc.toml ${frp_path}
+            cp -f ../conf/frps.toml ${frp_path}
 
-        # packages
-        cd ./packages
-        if [ "x${os}" = x"windows" ]; then
-            zip -rq ${frp_dir_name}.zip ${frp_dir_name}
-        else
-            tar -zcf ${frp_dir_name}.tar.gz ${frp_dir_name}
-        fi  
-        cd ..
-        rm -rf ${frp_path}
+            # packages
+            cd ./packages
+            if [ "x${os}" = x"windows" ]; then
+                zip -rq ${frp_dir_name}.zip ${frp_dir_name}
+            else
+                tar -zcf ${frp_dir_name}.tar.gz ${frp_dir_name}
+            fi  
+            cd ..
+            rm -rf ${frp_path}
+        done
     done
 done
 

pkg/auth/auth.go

@@ -15,6 +15,7 @@
 package auth
 
 import (
+	"context"
 	"fmt"
 
 	v1 "github.com/fatedier/frp/pkg/config/v1"
@@ -27,16 +28,56 @@ type Setter interface {
 	SetNewWorkConn(*msg.NewWorkConn) error
 }
 
-func NewAuthSetter(cfg v1.AuthClientConfig) (authProvider Setter) {
+type ClientAuth struct {
+	Setter Setter
+	key    []byte
+}
+
+func (a *ClientAuth) EncryptionKey() []byte {
+	return a.key
+}
+
+// BuildClientAuth resolves any dynamic auth values and returns a prepared auth runtime.
+// Caller must run validation before calling this function.
+func BuildClientAuth(cfg *v1.AuthClientConfig) (*ClientAuth, error) {
+	if cfg == nil {
+		return nil, fmt.Errorf("auth config is nil")
+	}
+	resolved := *cfg
+	if resolved.Method == v1.AuthMethodToken && resolved.TokenSource != nil {
+		token, err := resolved.TokenSource.Resolve(context.Background())
+		if err != nil {
+			return nil, fmt.Errorf("failed to resolve auth.tokenSource: %w", err)
+		}
+		resolved.Token = token
+	}
+	setter, err := NewAuthSetter(resolved)
+	if err != nil {
+		return nil, err
+	}
+	return &ClientAuth{
+		Setter: setter,
+		key:    []byte(resolved.Token),
+	}, nil
+}
+
+func NewAuthSetter(cfg v1.AuthClientConfig) (authProvider Setter, err error) {
 	switch cfg.Method {
 	case v1.AuthMethodToken:
 		authProvider = NewTokenAuth(cfg.AdditionalScopes, cfg.Token)
 	case v1.AuthMethodOIDC:
-		authProvider = NewOidcAuthSetter(cfg.AdditionalScopes, cfg.OIDC)
+		if cfg.OIDC.TokenSource != nil {
+			authProvider = NewOidcTokenSourceAuthSetter(cfg.AdditionalScopes, cfg.OIDC.TokenSource)
+		} else {
+			authProvider, err = NewOidcAuthSetter(cfg.AdditionalScopes, cfg.OIDC)
+			if err != nil {
+				return nil, err
+			}
+		}
 	default:
-		panic(fmt.Sprintf("wrong method: '%s'", cfg.Method))
+		return nil, fmt.Errorf("unsupported auth method: %s", cfg.Method)
 	}
-	return authProvider
+	return authProvider, nil
 }
 
 type Verifier interface {
@@ -45,12 +86,42 @@ type Verifier interface {
 	VerifyNewWorkConn(*msg.NewWorkConn) error
 }
 
+type ServerAuth struct {
+	Verifier Verifier
+	key      []byte
+}
+
+func (a *ServerAuth) EncryptionKey() []byte {
+	return a.key
+}
+
+// BuildServerAuth resolves any dynamic auth values and returns a prepared auth runtime.
+// Caller must run validation before calling this function.
+func BuildServerAuth(cfg *v1.AuthServerConfig) (*ServerAuth, error) {
+	if cfg == nil {
+		return nil, fmt.Errorf("auth config is nil")
+	}
+	resolved := *cfg
+	if resolved.Method == v1.AuthMethodToken && resolved.TokenSource != nil {
+		token, err := resolved.TokenSource.Resolve(context.Background())
+		if err != nil {
+			return nil, fmt.Errorf("failed to resolve auth.tokenSource: %w", err)
+		}
+		resolved.Token = token
+	}
+	return &ServerAuth{
+		Verifier: NewAuthVerifier(resolved),
+		key:      []byte(resolved.Token),
+	}, nil
+}
+
 func NewAuthVerifier(cfg v1.AuthServerConfig) (authVerifier Verifier) {
 	switch cfg.Method {
 	case v1.AuthMethodToken:
 		authVerifier = NewTokenAuth(cfg.AdditionalScopes, cfg.Token)
 	case v1.AuthMethodOIDC:
-		authVerifier = NewOidcAuthVerifier(cfg.AdditionalScopes, cfg.OIDC)
+		tokenVerifier := NewTokenVerifier(cfg.OIDC)
+		authVerifier = NewOidcAuthVerifier(cfg.AdditionalScopes, tokenVerifier)
 	}
 	return authVerifier
 }

pkg/auth/oidc.go

@@ -16,23 +16,72 @@ package auth
 
 import (
 	"context"
+	"crypto/tls"
+	"crypto/x509"
 	"fmt"
+	"net/http"
+	"net/url"
+	"os"
+	"slices"
 
 	"github.com/coreos/go-oidc/v3/oidc"
-	"github.com/samber/lo"
+	"golang.org/x/oauth2"
 	"golang.org/x/oauth2/clientcredentials"
 
 	v1 "github.com/fatedier/frp/pkg/config/v1"
 	"github.com/fatedier/frp/pkg/msg"
 )
 
+// createOIDCHTTPClient creates an HTTP client with custom TLS and proxy configuration for OIDC token requests
+func createOIDCHTTPClient(trustedCAFile string, insecureSkipVerify bool, proxyURL string) (*http.Client, error) {
+	// Clone the default transport to get all reasonable defaults
+	transport := http.DefaultTransport.(*http.Transport).Clone()
+
+	// Configure TLS settings
+	if trustedCAFile != "" || insecureSkipVerify {
+		tlsConfig := &tls.Config{
+			InsecureSkipVerify: insecureSkipVerify,
+		}
+
+		if trustedCAFile != "" && !insecureSkipVerify {
+			caCert, err := os.ReadFile(trustedCAFile)
+			if err != nil {
+				return nil, fmt.Errorf("failed to read OIDC CA certificate file %q: %w", trustedCAFile, err)
+			}
+
+			caCertPool := x509.NewCertPool()
+			if !caCertPool.AppendCertsFromPEM(caCert) {
+				return nil, fmt.Errorf("failed to parse OIDC CA certificate from file %q", trustedCAFile)
+			}
+
+			tlsConfig.RootCAs = caCertPool
+		}
+		transport.TLSClientConfig = tlsConfig
+	}
+
+	// Configure proxy settings
+	if proxyURL != "" {
+		parsedURL, err := url.Parse(proxyURL)
+		if err != nil {
+			return nil, fmt.Errorf("failed to parse OIDC proxy URL %q: %w", proxyURL, err)
+		}
+		transport.Proxy = http.ProxyURL(parsedURL)
+	} else {
+		// Explicitly disable proxy to override DefaultTransport's ProxyFromEnvironment
+		transport.Proxy = nil
+	}
+
+	return &http.Client{Transport: transport}, nil
+}
+
 type OidcAuthProvider struct {
 	additionalAuthScopes []v1.AuthScope
 
 	tokenGenerator *clientcredentials.Config
+	httpClient     *http.Client
 }
 
-func NewOidcAuthSetter(additionalAuthScopes []v1.AuthScope, cfg v1.AuthOIDCClientConfig) *OidcAuthProvider {
+func NewOidcAuthSetter(additionalAuthScopes []v1.AuthScope, cfg v1.AuthOIDCClientConfig) (*OidcAuthProvider, error) {
 	eps := make(map[string][]string)
 	for k, v := range cfg.AdditionalEndpointParams {
 		eps[k] = []string{v}
@@ -50,14 +99,30 @@ func NewOidcAuthSetter(additionalAuthScopes []v1.AuthScope, cfg v1.AuthOIDCClien
 		EndpointParams: eps,
 	}
 
+	// Create custom HTTP client if needed
+	var httpClient *http.Client
+	if cfg.TrustedCaFile != "" || cfg.InsecureSkipVerify || cfg.ProxyURL != "" {
+		var err error
+		httpClient, err = createOIDCHTTPClient(cfg.TrustedCaFile, cfg.InsecureSkipVerify, cfg.ProxyURL)
+		if err != nil {
+			return nil, fmt.Errorf("failed to create OIDC HTTP client: %w", err)
+		}
+	}
+
 	return &OidcAuthProvider{
 		additionalAuthScopes: additionalAuthScopes,
 		tokenGenerator:       tokenGenerator,
-	}
+		httpClient:           httpClient,
+	}, nil
 }
 
 func (auth *OidcAuthProvider) generateAccessToken() (accessToken string, err error) {
-	tokenObj, err := auth.tokenGenerator.Token(context.Background())
+	ctx := context.Background()
+	if auth.httpClient != nil {
+		ctx = context.WithValue(ctx, oauth2.HTTPClient, auth.httpClient)
+	}
+
+	tokenObj, err := auth.tokenGenerator.Token(ctx)
 	if err != nil {
 		return "", fmt.Errorf("couldn't generate OIDC token for login: %v", err)
 	}
@@ -70,7 +135,7 @@ func (auth *OidcAuthProvider) SetLogin(loginMsg *msg.Login) (err error) {
 }
 
 func (auth *OidcAuthProvider) SetPing(pingMsg *msg.Ping) (err error) {
-	if !lo.Contains(auth.additionalAuthScopes, v1.AuthScopeHeartBeats) {
+	if !slices.Contains(auth.additionalAuthScopes, v1.AuthScopeHeartBeats) {
 		return nil
 	}
 
@@ -79,7 +144,7 @@ func (auth *OidcAuthProvider) SetPing(pingMsg *msg.Ping) (err error) {
 }
 
 func (auth *OidcAuthProvider) SetNewWorkConn(newWorkConnMsg *msg.NewWorkConn) (err error) {
-	if !lo.Contains(auth.additionalAuthScopes, v1.AuthScopeNewWorkConns) {
+	if !slices.Contains(auth.additionalAuthScopes, v1.AuthScopeNewWorkConns) {
 		return nil
 	}
 
@@ -87,14 +152,63 @@ func (auth *OidcAuthProvider) SetNewWorkConn(newWorkConnMsg *msg.NewWorkConn) (e
 	return err
 }
 
+type OidcTokenSourceAuthProvider struct {
+	additionalAuthScopes []v1.AuthScope
+
+	valueSource *v1.ValueSource
+}
+
+func NewOidcTokenSourceAuthSetter(additionalAuthScopes []v1.AuthScope, valueSource *v1.ValueSource) *OidcTokenSourceAuthProvider {
+	return &OidcTokenSourceAuthProvider{
+		additionalAuthScopes: additionalAuthScopes,
+		valueSource:          valueSource,
+	}
+}
+
+func (auth *OidcTokenSourceAuthProvider) generateAccessToken() (accessToken string, err error) {
+	ctx := context.Background()
+	accessToken, err = auth.valueSource.Resolve(ctx)
+	if err != nil {
+		return "", fmt.Errorf("couldn't acquire OIDC token for login: %v", err)
+	}
+	return
+}
+
+func (auth *OidcTokenSourceAuthProvider) SetLogin(loginMsg *msg.Login) (err error) {
+	loginMsg.PrivilegeKey, err = auth.generateAccessToken()
+	return err
+}
+
+func (auth *OidcTokenSourceAuthProvider) SetPing(pingMsg *msg.Ping) (err error) {
+	if !slices.Contains(auth.additionalAuthScopes, v1.AuthScopeHeartBeats) {
+		return nil
+	}
+
+	pingMsg.PrivilegeKey, err = auth.generateAccessToken()
+	return err
+}
+
+func (auth *OidcTokenSourceAuthProvider) SetNewWorkConn(newWorkConnMsg *msg.NewWorkConn) (err error) {
+	if !slices.Contains(auth.additionalAuthScopes, v1.AuthScopeNewWorkConns) {
+		return nil
+	}
+
+	newWorkConnMsg.PrivilegeKey, err = auth.generateAccessToken()
+	return err
+}
+
+type TokenVerifier interface {
+	Verify(context.Context, string) (*oidc.IDToken, error)
+}
+
 type OidcAuthConsumer struct {
 	additionalAuthScopes []v1.AuthScope
 
-	verifier         *oidc.IDTokenVerifier
-	subjectFromLogin string
+	verifier          TokenVerifier
+	subjectsFromLogin []string
 }
 
-func NewOidcAuthVerifier(additionalAuthScopes []v1.AuthScope, cfg v1.AuthOIDCServerConfig) *OidcAuthConsumer {
+func NewTokenVerifier(cfg v1.AuthOIDCServerConfig) TokenVerifier {
 	provider, err := oidc.NewProvider(context.Background(), cfg.Issuer)
 	if err != nil {
 		panic(err)
@@ -105,9 +219,14 @@ func NewOidcAuthVerifier(additionalAuthScopes []v1.AuthScope, cfg v1.AuthOIDCSer
 		SkipExpiryCheck:   cfg.SkipExpiryCheck,
 		SkipIssuerCheck:   cfg.SkipIssuerCheck,
 	}
+	return provider.Verifier(&verifierConf)
+}
+
+func NewOidcAuthVerifier(additionalAuthScopes []v1.AuthScope, verifier TokenVerifier) *OidcAuthConsumer {
 	return &OidcAuthConsumer{
 		additionalAuthScopes: additionalAuthScopes,
-		verifier:             provider.Verifier(&verifierConf),
+		verifier:             verifier,
+		subjectsFromLogin:    []string{},
 	}
 }
 
@@ -116,7 +235,9 @@ func (auth *OidcAuthConsumer) VerifyLogin(loginMsg *msg.Login) (err error) {
 	if err != nil {
 		return fmt.Errorf("invalid OIDC token in login: %v", err)
 	}
-	auth.subjectFromLogin = token.Subject
+	if !slices.Contains(auth.subjectsFromLogin, token.Subject) {
+		auth.subjectsFromLogin = append(auth.subjectsFromLogin, token.Subject)
+	}
 	return nil
 }
 
@@ -125,17 +246,17 @@ func (auth *OidcAuthConsumer) verifyPostLoginToken(privilegeKey string) (err err
 	if err != nil {
 		return fmt.Errorf("invalid OIDC token in ping: %v", err)
 	}
-	if token.Subject != auth.subjectFromLogin {
+	if !slices.Contains(auth.subjectsFromLogin, token.Subject) {
 		return fmt.Errorf("received different OIDC subject in login and ping. "+
-			"original subject: %s, "+
+			"original subjects: %s, "+
 			"new subject: %s",
-			auth.subjectFromLogin, token.Subject)
+			auth.subjectsFromLogin, token.Subject)
 	}
 	return nil
 }
 
 func (auth *OidcAuthConsumer) VerifyPing(pingMsg *msg.Ping) (err error) {
-	if !lo.Contains(auth.additionalAuthScopes, v1.AuthScopeHeartBeats) {
+	if !slices.Contains(auth.additionalAuthScopes, v1.AuthScopeHeartBeats) {
 		return nil
 	}
 
@@ -143,7 +264,7 @@ func (auth *OidcAuthConsumer) VerifyPing(pingMsg *msg.Ping) (err error) {
 }
 
 func (auth *OidcAuthConsumer) VerifyNewWorkConn(newWorkConnMsg *msg.NewWorkConn) (err error) {
-	if !lo.Contains(auth.additionalAuthScopes, v1.AuthScopeNewWorkConns) {
+	if !slices.Contains(auth.additionalAuthScopes, v1.AuthScopeNewWorkConns) {
 		return nil
 	}
 

pkg/auth/oidc_test.go

@@ -0,0 +1,64 @@
+package auth_test
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/coreos/go-oidc/v3/oidc"
+	"github.com/stretchr/testify/require"
+
+	"github.com/fatedier/frp/pkg/auth"
+	v1 "github.com/fatedier/frp/pkg/config/v1"
+	"github.com/fatedier/frp/pkg/msg"
+)
+
+type mockTokenVerifier struct{}
+
+func (m *mockTokenVerifier) Verify(ctx context.Context, subject string) (*oidc.IDToken, error) {
+	return &oidc.IDToken{
+		Subject: subject,
+	}, nil
+}
+
+func TestPingWithEmptySubjectFromLoginFails(t *testing.T) {
+	r := require.New(t)
+	consumer := auth.NewOidcAuthVerifier([]v1.AuthScope{v1.AuthScopeHeartBeats}, &mockTokenVerifier{})
+	err := consumer.VerifyPing(&msg.Ping{
+		PrivilegeKey: "ping-without-login",
+		Timestamp:    time.Now().UnixMilli(),
+	})
+	r.Error(err)
+	r.Contains(err.Error(), "received different OIDC subject in login and ping")
+}
+
+func TestPingAfterLoginWithNewSubjectSucceeds(t *testing.T) {
+	r := require.New(t)
+	consumer := auth.NewOidcAuthVerifier([]v1.AuthScope{v1.AuthScopeHeartBeats}, &mockTokenVerifier{})
+	err := consumer.VerifyLogin(&msg.Login{
+		PrivilegeKey: "ping-after-login",
+	})
+	r.NoError(err)
+
+	err = consumer.VerifyPing(&msg.Ping{
+		PrivilegeKey: "ping-after-login",
+		Timestamp:    time.Now().UnixMilli(),
+	})
+	r.NoError(err)
+}
+
+func TestPingAfterLoginWithDifferentSubjectFails(t *testing.T) {
+	r := require.New(t)
+	consumer := auth.NewOidcAuthVerifier([]v1.AuthScope{v1.AuthScopeHeartBeats}, &mockTokenVerifier{})
+	err := consumer.VerifyLogin(&msg.Login{
+		PrivilegeKey: "login-with-first-subject",
+	})
+	r.NoError(err)
+
+	err = consumer.VerifyPing(&msg.Ping{
+		PrivilegeKey: "ping-with-different-subject",
+		Timestamp:    time.Now().UnixMilli(),
+	})
+	r.Error(err)
+	r.Contains(err.Error(), "received different OIDC subject in login and ping")
+}

pkg/auth/token.go

@@ -16,10 +16,9 @@ package auth
 
 import (
 	"fmt"
+	"slices"
 	"time"
 
-	"github.com/samber/lo"
-
 	v1 "github.com/fatedier/frp/pkg/config/v1"
 	"github.com/fatedier/frp/pkg/msg"
 	"github.com/fatedier/frp/pkg/util/util"
@@ -43,7 +42,7 @@ func (auth *TokenAuthSetterVerifier) SetLogin(loginMsg *msg.Login) error {
 }
 
 func (auth *TokenAuthSetterVerifier) SetPing(pingMsg *msg.Ping) error {
-	if !lo.Contains(auth.additionalAuthScopes, v1.AuthScopeHeartBeats) {
+	if !slices.Contains(auth.additionalAuthScopes, v1.AuthScopeHeartBeats) {
 		return nil
 	}
 
@@ -53,7 +52,7 @@ func (auth *TokenAuthSetterVerifier) SetPing(pingMsg *msg.Ping) error {
 }
 
 func (auth *TokenAuthSetterVerifier) SetNewWorkConn(newWorkConnMsg *msg.NewWorkConn) error {
-	if !lo.Contains(auth.additionalAuthScopes, v1.AuthScopeNewWorkConns) {
+	if !slices.Contains(auth.additionalAuthScopes, v1.AuthScopeNewWorkConns) {
 		return nil
 	}
 
@@ -70,7 +69,7 @@ func (auth *TokenAuthSetterVerifier) VerifyLogin(m *msg.Login) error {
 }
 
 func (auth *TokenAuthSetterVerifier) VerifyPing(m *msg.Ping) error {
-	if !lo.Contains(auth.additionalAuthScopes, v1.AuthScopeHeartBeats) {
+	if !slices.Contains(auth.additionalAuthScopes, v1.AuthScopeHeartBeats) {
 		return nil
 	}
 
@@ -81,7 +80,7 @@ func (auth *TokenAuthSetterVerifier) VerifyPing(m *msg.Ping) error {
 }
 
 func (auth *TokenAuthSetterVerifier) VerifyNewWorkConn(m *msg.NewWorkConn) error {
-	if !lo.Contains(auth.additionalAuthScopes, v1.AuthScopeNewWorkConns) {
+	if !slices.Contains(auth.additionalAuthScopes, v1.AuthScopeNewWorkConns) {
 		return nil
 	}
 

pkg/config/flags.go

@@ -17,14 +17,24 @@ package config
 import (
 	"fmt"
 	"strconv"
+	"strings"
 
 	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
 
 	"github.com/fatedier/frp/pkg/config/types"
 	v1 "github.com/fatedier/frp/pkg/config/v1"
 	"github.com/fatedier/frp/pkg/config/v1/validation"
 )
 
+// WordSepNormalizeFunc changes all flags that contain "_" separators
+func WordSepNormalizeFunc(f *pflag.FlagSet, name string) pflag.NormalizedName {
+	if strings.Contains(name, "_") {
+		return pflag.NormalizedName(strings.ReplaceAll(name, "_", "-"))
+	}
+	return pflag.NormalizedName(name)
+}
+
 type RegisterFlagOption func(*registerFlagOptions)
 
 type registerFlagOptions struct {
@@ -96,6 +106,8 @@ func registerProxyBaseConfigFlags(cmd *cobra.Command, c *v1.ProxyBaseConfig, opt
 	}
 
 	cmd.Flags().StringVarP(&c.Name, "proxy_name", "n", "", "proxy name")
+	cmd.Flags().StringToStringVarP(&c.Metadatas, "metadatas", "", nil, "metadata key-value pairs (e.g., key1=value1,key2=value2)")
+	cmd.Flags().StringToStringVarP(&c.Annotations, "annotations", "", nil, "annotation key-value pairs (e.g., key1=value1,key2=value2)")
 
 	if !options.sshMode {
 		cmd.Flags().StringVarP(&c.LocalIP, "local_ip", "i", "127.0.0.1", "local ip")
@@ -130,6 +142,7 @@ func registerVisitorBaseConfigFlags(cmd *cobra.Command, c *v1.VisitorBaseConfig,
 	cmd.Flags().BoolVarP(&c.Transport.UseCompression, "uc", "", false, "use compression")
 	cmd.Flags().StringVarP(&c.SecretKey, "sk", "", "", "secret key")
 	cmd.Flags().StringVarP(&c.ServerName, "server_name", "", "", "server name")
+	cmd.Flags().StringVarP(&c.ServerUser, "server-user", "", "", "server user")
 	cmd.Flags().StringVarP(&c.BindAddr, "bind_addr", "", "", "bind addr")
 	cmd.Flags().IntVarP(&c.BindPort, "bind_port", "", 0, "bind port")
 }
@@ -154,6 +167,7 @@ func RegisterClientCommonConfigFlags(cmd *cobra.Command, c *v1.ClientCommonConfi
 		c.Transport.TLS.Enable = cmd.PersistentFlags().BoolP("tls_enable", "", true, "enable frpc tls")
 	}
 	cmd.PersistentFlags().StringVarP(&c.User, "user", "u", "", "user")
+	cmd.PersistentFlags().StringVar(&c.ClientID, "client-id", "", "unique identifier for this frpc instance")
 	cmd.PersistentFlags().StringVarP(&c.Auth.Token, "token", "t", "", "auth token")
 }
 
@@ -216,6 +230,7 @@ func RegisterServerConfigFlags(cmd *cobra.Command, c *v1.ServerConfig, opts ...R
 	cmd.PersistentFlags().StringVarP(&c.BindAddr, "bind_addr", "", "0.0.0.0", "bind address")
 	cmd.PersistentFlags().IntVarP(&c.BindPort, "bind_port", "p", 7000, "bind port")
 	cmd.PersistentFlags().IntVarP(&c.KCPBindPort, "kcp_bind_port", "", 0, "kcp bind udp port")
+	cmd.PersistentFlags().IntVarP(&c.QUICBindPort, "quic_bind_port", "", 0, "quic bind udp port")
 	cmd.PersistentFlags().StringVarP(&c.ProxyBindAddr, "proxy_bind_addr", "", "0.0.0.0", "proxy bind address")
 	cmd.PersistentFlags().IntVarP(&c.VhostHTTPPort, "vhost_http_port", "", 0, "vhost http port")
 	cmd.PersistentFlags().IntVarP(&c.VhostHTTPSPort, "vhost_https_port", "", 0, "vhost https port")

pkg/config/legacy/client.go

@@ -18,9 +18,9 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"slices"
 	"strings"
 
-	"github.com/samber/lo"
 	"gopkg.in/ini.v1"
 
 	legacyauth "github.com/fatedier/frp/pkg/auth/legacy"
@@ -170,7 +170,7 @@ type ClientCommonConf struct {
 }
 
 // Supported sources including: string(file path), []byte, Reader interface.
-func UnmarshalClientConfFromIni(source interface{}) (ClientCommonConf, error) {
+func UnmarshalClientConfFromIni(source any) (ClientCommonConf, error) {
 	f, err := ini.LoadSources(ini.LoadOptions{
 		Insensitive:         false,
 		InsensitiveSections: false,
@@ -194,7 +194,7 @@ func UnmarshalClientConfFromIni(source interface{}) (ClientCommonConf, error) {
 	}
 
 	common.Metas = GetMapWithoutPrefix(s.KeysHash(), "meta_")
-	common.ClientConfig.OidcAdditionalEndpointParams = GetMapWithoutPrefix(s.KeysHash(), "oidc_additional_")
+	common.OidcAdditionalEndpointParams = GetMapWithoutPrefix(s.KeysHash(), "oidc_additional_")
 
 	return common, nil
 }
@@ -203,7 +203,7 @@ func UnmarshalClientConfFromIni(source interface{}) (ClientCommonConf, error) {
 // otherwise just start proxies in startProxy map
 func LoadAllProxyConfsFromIni(
 	prefix string,
-	source interface{},
+	source any,
 	start []string,
 ) (map[string]ProxyConf, map[string]VisitorConf, error) {
 	f, err := ini.LoadSources(ini.LoadOptions{
@@ -229,10 +229,7 @@ func LoadAllProxyConfsFromIni(
 		startProxy[s] = struct{}{}
 	}
 
-	startAll := true
-	if len(startProxy) > 0 {
-		startAll = false
-	}
+	startAll := len(startProxy) == 0
 
 	// Build template sections from range section And append to ini.File.
 	rangeSections := make([]*ini.Section, 0)
@@ -345,35 +342,19 @@ func copySection(source, target *ini.Section) {
 }
 
 // GetDefaultClientConf returns a client configuration with default values.
+// Note: Some default values here will be set to empty and will be converted to them
+// new configuration through the 'Complete' function to set them as the default
+// values of the new configuration.
 func GetDefaultClientConf() ClientCommonConf {
 	return ClientCommonConf{
 		ClientConfig:              legacyauth.GetDefaultClientConf(),
-		ServerAddr:                "0.0.0.0",
-		ServerPort:                7000,
-		NatHoleSTUNServer:         "stun.easyvoip.com:3478",
-		DialServerTimeout:         10,
-		DialServerKeepAlive:       7200,
-		HTTPProxy:                 os.Getenv("http_proxy"),
-		LogFile:                   "console",
-		LogWay:                    "console",
-		LogLevel:                  "info",
-		LogMaxDays:                3,
-		AdminAddr:                 "127.0.0.1",
-		PoolCount:                 1,
 		TCPMux:                    true,
-		TCPMuxKeepaliveInterval:   60,
 		LoginFailExit:             true,
-		Start:                     make([]string, 0),
 		Protocol:                  "tcp",
-		QUICKeepalivePeriod:       10,
-		QUICMaxIdleTimeout:        30,
-		QUICMaxIncomingStreams:    100000,
+		Start:                     make([]string, 0),
 		TLSEnable:                 true,
 		DisableCustomTLSFirstByte: true,
-		HeartbeatInterval:         30,
-		HeartbeatTimeout:          90,
 		Metas:                     make(map[string]string),
-		UDPPacketSize:             1500,
 		IncludeConfigFiles:        make([]string, 0),
 	}
 }
@@ -399,7 +380,7 @@ func (cfg *ClientCommonConf) Validate() error {
 		}
 	}
 
-	if !lo.Contains([]string{"tcp", "kcp", "quic", "websocket", "wss"}, cfg.Protocol) {
+	if !slices.Contains([]string{"tcp", "kcp", "quic", "websocket", "wss"}, cfg.Protocol) {
 		return fmt.Errorf("invalid protocol")
 	}
 

pkg/config/legacy/conversion.go

@@ -26,20 +26,20 @@ import (
 func Convert_ClientCommonConf_To_v1(conf *ClientCommonConf) *v1.ClientCommonConfig {
 	out := &v1.ClientCommonConfig{}
 	out.User = conf.User
-	out.Auth.Method = v1.AuthMethod(conf.ClientConfig.AuthenticationMethod)
-	out.Auth.Token = conf.ClientConfig.Token
-	if conf.ClientConfig.AuthenticateHeartBeats {
+	out.Auth.Method = v1.AuthMethod(conf.AuthenticationMethod)
+	out.Auth.Token = conf.Token
+	if conf.AuthenticateHeartBeats {
 		out.Auth.AdditionalScopes = append(out.Auth.AdditionalScopes, v1.AuthScopeHeartBeats)
 	}
-	if conf.ClientConfig.AuthenticateNewWorkConns {
+	if conf.AuthenticateNewWorkConns {
 		out.Auth.AdditionalScopes = append(out.Auth.AdditionalScopes, v1.AuthScopeNewWorkConns)
 	}
-	out.Auth.OIDC.ClientID = conf.ClientConfig.OidcClientID
-	out.Auth.OIDC.ClientSecret = conf.ClientConfig.OidcClientSecret
-	out.Auth.OIDC.Audience = conf.ClientConfig.OidcAudience
-	out.Auth.OIDC.Scope = conf.ClientConfig.OidcScope
-	out.Auth.OIDC.TokenEndpointURL = conf.ClientConfig.OidcTokenEndpointURL
-	out.Auth.OIDC.AdditionalEndpointParams = conf.ClientConfig.OidcAdditionalEndpointParams
+	out.Auth.OIDC.ClientID = conf.OidcClientID
+	out.Auth.OIDC.ClientSecret = conf.OidcClientSecret
+	out.Auth.OIDC.Audience = conf.OidcAudience
+	out.Auth.OIDC.Scope = conf.OidcScope
+	out.Auth.OIDC.TokenEndpointURL = conf.OidcTokenEndpointURL
+	out.Auth.OIDC.AdditionalEndpointParams = conf.OidcAdditionalEndpointParams
 
 	out.ServerAddr = conf.ServerAddr
 	out.ServerPort = conf.ServerPort
@@ -59,10 +59,10 @@ func Convert_ClientCommonConf_To_v1(conf *ClientCommonConf) *v1.ClientCommonConf
 	out.Transport.QUIC.MaxIncomingStreams = conf.QUICMaxIncomingStreams
 	out.Transport.TLS.Enable = lo.ToPtr(conf.TLSEnable)
 	out.Transport.TLS.DisableCustomTLSFirstByte = lo.ToPtr(conf.DisableCustomTLSFirstByte)
-	out.Transport.TLS.TLSConfig.CertFile = conf.TLSCertFile
-	out.Transport.TLS.TLSConfig.KeyFile = conf.TLSKeyFile
-	out.Transport.TLS.TLSConfig.TrustedCaFile = conf.TLSTrustedCaFile
-	out.Transport.TLS.TLSConfig.ServerName = conf.TLSServerName
+	out.Transport.TLS.CertFile = conf.TLSCertFile
+	out.Transport.TLS.KeyFile = conf.TLSKeyFile
+	out.Transport.TLS.TrustedCaFile = conf.TLSTrustedCaFile
+	out.Transport.TLS.ServerName = conf.TLSServerName
 
 	out.Log.To = conf.LogFile
 	out.Log.Level = conf.LogLevel
@@ -87,18 +87,18 @@ func Convert_ClientCommonConf_To_v1(conf *ClientCommonConf) *v1.ClientCommonConf
 
 func Convert_ServerCommonConf_To_v1(conf *ServerCommonConf) *v1.ServerConfig {
 	out := &v1.ServerConfig{}
-	out.Auth.Method = v1.AuthMethod(conf.ServerConfig.AuthenticationMethod)
-	out.Auth.Token = conf.ServerConfig.Token
-	if conf.ServerConfig.AuthenticateHeartBeats {
+	out.Auth.Method = v1.AuthMethod(conf.AuthenticationMethod)
+	out.Auth.Token = conf.Token
+	if conf.AuthenticateHeartBeats {
 		out.Auth.AdditionalScopes = append(out.Auth.AdditionalScopes, v1.AuthScopeHeartBeats)
 	}
-	if conf.ServerConfig.AuthenticateNewWorkConns {
+	if conf.AuthenticateNewWorkConns {
 		out.Auth.AdditionalScopes = append(out.Auth.AdditionalScopes, v1.AuthScopeNewWorkConns)
 	}
-	out.Auth.OIDC.Audience = conf.ServerConfig.OidcAudience
-	out.Auth.OIDC.Issuer = conf.ServerConfig.OidcIssuer
-	out.Auth.OIDC.SkipExpiryCheck = conf.ServerConfig.OidcSkipExpiryCheck
-	out.Auth.OIDC.SkipIssuerCheck = conf.ServerConfig.OidcSkipIssuerCheck
+	out.Auth.OIDC.Audience = conf.OidcAudience
+	out.Auth.OIDC.Issuer = conf.OidcIssuer
+	out.Auth.OIDC.SkipExpiryCheck = conf.OidcSkipExpiryCheck
+	out.Auth.OIDC.SkipIssuerCheck = conf.OidcSkipIssuerCheck
 
 	out.BindAddr = conf.BindAddr
 	out.BindPort = conf.BindPort
@@ -175,6 +175,9 @@ func transformHeadersFromPluginParams(params map[string]string) v1.HeaderOperati
 			continue
 		}
 		if k = strings.TrimPrefix(k, "plugin_header_"); k != "" {
+			if out.Set == nil {
+				out.Set = make(map[string]string)
+			}
 			out.Set[k] = v
 		}
 	}

pkg/config/legacy/proxy.go

@@ -206,7 +206,7 @@ func (cfg *BaseProxyConf) decorate(_ string, name string, section *ini.Section)
 	}
 
 	// plugin_xxx
-	cfg.LocalSvrConf.PluginParams = GetMapByPrefix(section.KeysHash(), "plugin_")
+	cfg.PluginParams = GetMapByPrefix(section.KeysHash(), "plugin_")
 	return nil
 }
 

pkg/config/legacy/server.go

@@ -200,38 +200,24 @@ type ServerCommonConf struct {
 	NatHoleAnalysisDataReserveHours int64 `ini:"nat_hole_analysis_data_reserve_hours" json:"nat_hole_analysis_data_reserve_hours"`
 }
 
-// GetDefaultServerConf returns a server configuration with reasonable
-// defaults.
+// GetDefaultServerConf returns a server configuration with reasonable defaults.
+// Note: Some default values here will be set to empty and will be converted to them
+// new configuration through the 'Complete' function to set them as the default
+// values of the new configuration.
 func GetDefaultServerConf() ServerCommonConf {
 	return ServerCommonConf{
-		ServerConfig:                    legacyauth.GetDefaultServerConf(),
-		BindAddr:                        "0.0.0.0",
-		BindPort:                        7000,
-		QUICKeepalivePeriod:             10,
-		QUICMaxIdleTimeout:              30,
-		QUICMaxIncomingStreams:          100000,
-		VhostHTTPTimeout:                60,
-		DashboardAddr:                   "0.0.0.0",
-		LogFile:                         "console",
-		LogWay:                          "console",
-		LogLevel:                        "info",
-		LogMaxDays:                      3,
-		DetailedErrorsToClient:          true,
-		TCPMux:                          true,
-		TCPMuxKeepaliveInterval:         60,
-		TCPKeepAlive:                    7200,
-		AllowPorts:                      make(map[int]struct{}),
-		MaxPoolCount:                    5,
-		MaxPortsPerClient:               0,
-		HeartbeatTimeout:                90,
-		UserConnTimeout:                 10,
-		HTTPPlugins:                     make(map[string]HTTPPluginOptions),
-		UDPPacketSize:                   1500,
-		NatHoleAnalysisDataReserveHours: 7 * 24,
+		ServerConfig:           legacyauth.GetDefaultServerConf(),
+		DashboardAddr:          "0.0.0.0",
+		LogFile:                "console",
+		LogWay:                 "console",
+		DetailedErrorsToClient: true,
+		TCPMux:                 true,
+		AllowPorts:             make(map[int]struct{}),
+		HTTPPlugins:            make(map[string]HTTPPluginOptions),
 	}
 }
 
-func UnmarshalServerConfFromIni(source interface{}) (ServerCommonConf, error) {
+func UnmarshalServerConfFromIni(source any) (ServerCommonConf, error) {
 	f, err := ini.LoadSources(ini.LoadOptions{
 		Insensitive:         false,
 		InsensitiveSections: false,

pkg/config/load.go

@@ -18,10 +18,10 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"html/template"
 	"os"
 	"path/filepath"
 	"strings"
+	"text/template"
 
 	toml "github.com/pelletier/go-toml/v2"
 	"github.com/samber/lo"
@@ -80,7 +80,10 @@ func DetectLegacyINIFormatFromFile(path string) bool {
 }
 
 func RenderWithTemplate(in []byte, values *Values) ([]byte, error) {
-	tmpl, err := template.New("frp").Parse(string(in))
+	tmpl, err := template.New("frp").Funcs(template.FuncMap{
+		"parseNumberRange":     parseNumberRange,
+		"parseNumberRangePair": parseNumberRangePair,
+	}).Parse(string(in))
 	if err != nil {
 		return nil, err
 	}
@@ -108,6 +111,33 @@ func LoadConfigureFromFile(path string, c any, strict bool) error {
 	return LoadConfigure(content, c, strict)
 }
 
+// parseYAMLWithDotFieldsHandling parses YAML with dot-prefixed fields handling
+// This function handles both cases efficiently: with or without dot fields
+func parseYAMLWithDotFieldsHandling(content []byte, target any) error {
+	var temp any
+	if err := yaml.Unmarshal(content, &temp); err != nil {
+		return err
+	}
+
+	// Remove dot fields if it's a map
+	if tempMap, ok := temp.(map[string]any); ok {
+		for key := range tempMap {
+			if strings.HasPrefix(key, ".") {
+				delete(tempMap, key)
+			}
+		}
+	}
+
+	// Convert to JSON and decode with strict validation
+	jsonBytes, err := json.Marshal(temp)
+	if err != nil {
+		return err
+	}
+	decoder := json.NewDecoder(bytes.NewReader(jsonBytes))
+	decoder.DisallowUnknownFields()
+	return decoder.Decode(target)
+}
+
 // LoadConfigure loads configuration from bytes and unmarshal into c.
 // Now it supports json, yaml and toml format.
 func LoadConfigure(b []byte, c any, strict bool) error {
@@ -115,7 +145,7 @@ func LoadConfigure(b []byte, c any, strict bool) error {
 	defer v1.DisallowUnknownFieldsMu.Unlock()
 	v1.DisallowUnknownFields = strict
 
-	var tomlObj interface{}
+	var tomlObj any
 	// Try to unmarshal as TOML first; swallow errors from that (assume it's not valid TOML).
 	if err := toml.Unmarshal(b, &tomlObj); err == nil {
 		b, err = json.Marshal(&tomlObj)
@@ -131,10 +161,13 @@ func LoadConfigure(b []byte, c any, strict bool) error {
 		}
 		return decoder.Decode(c)
 	}
-	// It wasn't JSON. Unmarshal as YAML.
+
+	// Handle YAML content
 	if strict {
-		return yaml.UnmarshalStrict(b, c)
+		// In strict mode, always use our custom handler to support YAML merge
+		return parseYAMLWithDotFieldsHandling(b, c)
 	}
+	// Non-strict mode, parse normally
 	return yaml.Unmarshal(b, c)
 }
 
@@ -179,7 +212,9 @@ func LoadServerConfig(path string, strict bool) (*v1.ServerConfig, bool, error)
 		}
 	}
 	if svrCfg != nil {
-		svrCfg.Complete()
+		if err := svrCfg.Complete(); err != nil {
+			return nil, isLegacyFormat, err
+		}
 	}
 	return svrCfg, isLegacyFormat, nil
 }
@@ -246,8 +281,21 @@ func LoadClientConfig(path string, strict bool) (
 		})
 	}
 
+	// Filter by enabled field in each proxy
+	// nil or true means enabled, false means disabled
+	proxyCfgs = lo.Filter(proxyCfgs, func(c v1.ProxyConfigurer, _ int) bool {
+		enabled := c.GetBaseConfig().Enabled
+		return enabled == nil || *enabled
+	})
+	visitorCfgs = lo.Filter(visitorCfgs, func(c v1.VisitorConfigurer, _ int) bool {
+		enabled := c.GetBaseConfig().Enabled
+		return enabled == nil || *enabled
+	})
+
 	if cliCfg != nil {
-		cliCfg.Complete()
+		if err := cliCfg.Complete(); err != nil {
+			return nil, nil, nil, isLegacyFormat, err
+		}
 	}
 	for _, c := range proxyCfgs {
 		c.Complete(cliCfg.User)

pkg/config/load_test.go

@@ -112,6 +112,29 @@ func TestLoadServerConfigStrictMode(t *testing.T) {
 	}
 }
 
+func TestRenderWithTemplate(t *testing.T) {
+	tests := []struct {
+		name    string
+		content string
+		want    string
+	}{
+		{"toml", tomlServerContent, tomlServerContent},
+		{"yaml", yamlServerContent, yamlServerContent},
+		{"json", jsonServerContent, jsonServerContent},
+		{"template numeric", `key = {{ 123 }}`, "key = 123"},
+		{"template string", `key = {{ "xyz" }}`, "key = xyz"},
+		{"template quote", `key = {{ printf "%q" "with space" }}`, `key = "with space"`},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			require := require.New(t)
+			got, err := RenderWithTemplate([]byte(test.content), nil)
+			require.NoError(err)
+			require.EqualValues(test.want, string(got))
+		})
+	}
+}
+
 func TestCustomStructStrictMode(t *testing.T) {
 	require := require.New(t)
 
@@ -164,3 +187,122 @@ unixPath = "/tmp/uds.sock"
 	err = LoadConfigure([]byte(pluginStr), &clientCfg, true)
 	require.Error(err)
 }
+
+// TestYAMLMergeInStrictMode tests that YAML merge functionality works
+// even in strict mode by properly handling dot-prefixed fields
+func TestYAMLMergeInStrictMode(t *testing.T) {
+	require := require.New(t)
+
+	yamlContent := `
+serverAddr: "127.0.0.1"
+serverPort: 7000
+
+.common: &common
+  type: stcp
+  secretKey: "test-secret"
+  localIP: 127.0.0.1
+  transport:
+    useEncryption: true
+    useCompression: true
+
+proxies:
+- name: ssh
+  localPort: 22
+  <<: *common
+- name: web
+  localPort: 80
+  <<: *common
+`
+
+	clientCfg := v1.ClientConfig{}
+	// This should work in strict mode
+	err := LoadConfigure([]byte(yamlContent), &clientCfg, true)
+	require.NoError(err)
+
+	// Verify the merge worked correctly
+	require.Equal("127.0.0.1", clientCfg.ServerAddr)
+	require.Equal(7000, clientCfg.ServerPort)
+	require.Len(clientCfg.Proxies, 2)
+
+	// Check first proxy
+	sshProxy := clientCfg.Proxies[0].ProxyConfigurer
+	require.Equal("ssh", sshProxy.GetBaseConfig().Name)
+	require.Equal("stcp", sshProxy.GetBaseConfig().Type)
+
+	// Check second proxy
+	webProxy := clientCfg.Proxies[1].ProxyConfigurer
+	require.Equal("web", webProxy.GetBaseConfig().Name)
+	require.Equal("stcp", webProxy.GetBaseConfig().Type)
+}
+
+// TestOptimizedYAMLProcessing tests the optimization logic for YAML processing
+func TestOptimizedYAMLProcessing(t *testing.T) {
+	require := require.New(t)
+
+	yamlWithDotFields := []byte(`
+serverAddr: "127.0.0.1"
+.common: &common
+  type: stcp
+proxies:
+- name: test
+  <<: *common
+`)
+
+	yamlWithoutDotFields := []byte(`
+serverAddr: "127.0.0.1"
+proxies:
+- name: test
+  type: tcp
+  localPort: 22
+`)
+
+	// Test that YAML without dot fields works in strict mode
+	clientCfg := v1.ClientConfig{}
+	err := LoadConfigure(yamlWithoutDotFields, &clientCfg, true)
+	require.NoError(err)
+	require.Equal("127.0.0.1", clientCfg.ServerAddr)
+	require.Len(clientCfg.Proxies, 1)
+	require.Equal("test", clientCfg.Proxies[0].ProxyConfigurer.GetBaseConfig().Name)
+
+	// Test that YAML with dot fields still works in strict mode
+	err = LoadConfigure(yamlWithDotFields, &clientCfg, true)
+	require.NoError(err)
+	require.Equal("127.0.0.1", clientCfg.ServerAddr)
+	require.Len(clientCfg.Proxies, 1)
+	require.Equal("test", clientCfg.Proxies[0].ProxyConfigurer.GetBaseConfig().Name)
+	require.Equal("stcp", clientCfg.Proxies[0].ProxyConfigurer.GetBaseConfig().Type)
+}
+
+// TestYAMLEdgeCases tests edge cases for YAML parsing, including non-map types
+func TestYAMLEdgeCases(t *testing.T) {
+	require := require.New(t)
+
+	// Test array at root (should fail for frp config)
+	arrayYAML := []byte(`
+- item1
+- item2
+`)
+	clientCfg := v1.ClientConfig{}
+	err := LoadConfigure(arrayYAML, &clientCfg, true)
+	require.Error(err) // Should fail because ClientConfig expects an object
+
+	// Test scalar at root (should fail for frp config)
+	scalarYAML := []byte(`"just a string"`)
+	err = LoadConfigure(scalarYAML, &clientCfg, true)
+	require.Error(err) // Should fail because ClientConfig expects an object
+
+	// Test empty object (should work)
+	emptyYAML := []byte(`{}`)
+	err = LoadConfigure(emptyYAML, &clientCfg, true)
+	require.NoError(err)
+
+	// Test nested structure without dots (should work)
+	nestedYAML := []byte(`
+serverAddr: "127.0.0.1"
+serverPort: 7000
+`)
+	err = LoadConfigure(nestedYAML, &clientCfg, true)
+	require.NoError(err)
+	require.Equal("127.0.0.1", clientCfg.ServerAddr)
+	require.Equal(7000, clientCfg.ServerPort)
+}

pkg/config/template.go

@@ -0,0 +1,52 @@
+// Copyright 2024 The frp Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package config
+
+import (
+	"fmt"
+
+	"github.com/fatedier/frp/pkg/util/util"
+)
+
+type NumberPair struct {
+	First  int64
+	Second int64
+}
+
+func parseNumberRangePair(firstRangeStr, secondRangeStr string) ([]NumberPair, error) {
+	firstRangeNumbers, err := util.ParseRangeNumbers(firstRangeStr)
+	if err != nil {
+		return nil, err
+	}
+	secondRangeNumbers, err := util.ParseRangeNumbers(secondRangeStr)
+	if err != nil {
+		return nil, err
+	}
+	if len(firstRangeNumbers) != len(secondRangeNumbers) {
+		return nil, fmt.Errorf("first and second range numbers are not in pairs")
+	}
+	pairs := make([]NumberPair, 0, len(firstRangeNumbers))
+	for i := 0; i < len(firstRangeNumbers); i++ {
+		pairs = append(pairs, NumberPair{
+			First:  firstRangeNumbers[i],
+			Second: secondRangeNumbers[i],
+		})
+	}
+	return pairs, nil
+}
+
+func parseNumberRange(firstRangeStr string) ([]int64, error) {
+	return util.ParseRangeNumbers(firstRangeStr)
+}

pkg/config/types/types.go

@@ -45,15 +45,6 @@ func NewBandwidthQuantity(s string) (BandwidthQuantity, error) {
 	return q, nil
 }
 
-func MustBandwidthQuantity(s string) BandwidthQuantity {
-	q := BandwidthQuantity{}
-	err := q.UnmarshalString(s)
-	if err != nil {
-		panic(err)
-	}
-	return q
-}
-
 func (q *BandwidthQuantity) Equal(u *BandwidthQuantity) bool {
 	if q == nil && u == nil {
 		return true
@@ -168,18 +159,18 @@ func NewPortsRangeSliceFromString(str string) ([]PortsRange, error) {
 			out = append(out, PortsRange{Single: int(singleNum)})
 		case 2:
 			// range numbers
-			min, err := strconv.ParseInt(strings.TrimSpace(numArray[0]), 10, 64)
+			minNum, err := strconv.ParseInt(strings.TrimSpace(numArray[0]), 10, 64)
 			if err != nil {
 				return nil, fmt.Errorf("range number is invalid, %v", err)
 			}
-			max, err := strconv.ParseInt(strings.TrimSpace(numArray[1]), 10, 64)
+			maxNum, err := strconv.ParseInt(strings.TrimSpace(numArray[1]), 10, 64)
 			if err != nil {
 				return nil, fmt.Errorf("range number is invalid, %v", err)
 			}
-			if max < min {
+			if maxNum < minNum {
 				return nil, fmt.Errorf("range number is invalid")
 			}
-			out = append(out, PortsRange{Start: int(min), End: int(max)})
+			out = append(out, PortsRange{Start: int(minNum), End: int(maxNum)})
 		default:
 			return nil, fmt.Errorf("range number is invalid")
 		}

pkg/config/v1/client.go

@@ -37,6 +37,8 @@ type ClientCommonConfig struct {
 	// clients. If this value is not "", proxy names will automatically be
 	// changed to "{user}.{proxy_name}".
 	User string `json:"user,omitempty"`
+	// ClientID uniquely identifies this frpc instance.
+	ClientID string `json:"clientID,omitempty"`
 
 	// ServerAddr specifies the address of the server to connect to. By
 	// default, this value is "0.0.0.0".
@@ -58,9 +60,14 @@ type ClientCommonConfig struct {
 	// set.
 	Start []string `json:"start,omitempty"`
 
-	Log       LogConfig             `json:"log,omitempty"`
-	WebServer WebServerConfig       `json:"webServer,omitempty"`
-	Transport ClientTransportConfig `json:"transport,omitempty"`
+	Log        LogConfig             `json:"log,omitempty"`
+	WebServer  WebServerConfig       `json:"webServer,omitempty"`
+	Transport  ClientTransportConfig `json:"transport,omitempty"`
+	VirtualNet VirtualNetConfig      `json:"virtualNet,omitempty"`
+
+	// FeatureGates specifies a set of feature gates to enable or disable.
+	// This can be used to enable alpha/beta features or disable default features.
+	FeatureGates map[string]bool `json:"featureGates,omitempty"`
 
 	// UDPPacketSize specifies the udp packet size
 	// By default, this value is 1500
@@ -72,18 +79,21 @@ type ClientCommonConfig struct {
 	IncludeConfigFiles []string `json:"includes,omitempty"`
 }
 
-func (c *ClientCommonConfig) Complete() {
+func (c *ClientCommonConfig) Complete() error {
 	c.ServerAddr = util.EmptyOr(c.ServerAddr, "0.0.0.0")
 	c.ServerPort = util.EmptyOr(c.ServerPort, 7000)
 	c.LoginFailExit = util.EmptyOr(c.LoginFailExit, lo.ToPtr(true))
 	c.NatHoleSTUNServer = util.EmptyOr(c.NatHoleSTUNServer, "stun.easyvoip.com:3478")
 
-	c.Auth.Complete()
+	if err := c.Auth.Complete(); err != nil {
+		return err
+	}
 	c.Log.Complete()
 	c.Transport.Complete()
 	c.WebServer.Complete()
 
 	c.UDPPacketSize = util.EmptyOr(c.UDPPacketSize, 1500)
+	return nil
 }
 
 type ClientTransportConfig struct {
@@ -135,9 +145,15 @@ func (c *ClientTransportConfig) Complete() {
 	c.ProxyURL = util.EmptyOr(c.ProxyURL, os.Getenv("http_proxy"))
 	c.PoolCount = util.EmptyOr(c.PoolCount, 1)
 	c.TCPMux = util.EmptyOr(c.TCPMux, lo.ToPtr(true))
-	c.TCPMuxKeepaliveInterval = util.EmptyOr(c.TCPMuxKeepaliveInterval, 60)
-	c.HeartbeatInterval = util.EmptyOr(c.HeartbeatInterval, 30)
-	c.HeartbeatTimeout = util.EmptyOr(c.HeartbeatTimeout, 90)
+	c.TCPMuxKeepaliveInterval = util.EmptyOr(c.TCPMuxKeepaliveInterval, 30)
+	if lo.FromPtr(c.TCPMux) {
+		// If TCPMux is enabled, heartbeat of application layer is unnecessary because we can rely on heartbeat in tcpmux.
+		c.HeartbeatInterval = util.EmptyOr(c.HeartbeatInterval, -1)
+		c.HeartbeatTimeout = util.EmptyOr(c.HeartbeatTimeout, -1)
+	} else {
+		c.HeartbeatInterval = util.EmptyOr(c.HeartbeatInterval, 30)
+		c.HeartbeatTimeout = util.EmptyOr(c.HeartbeatTimeout, 90)
+	}
 	c.QUIC.Complete()
 	c.TLS.Complete()
 }
@@ -173,12 +189,16 @@ type AuthClientConfig struct {
 	// Token specifies the authorization token used to create keys to be sent
 	// to the server. The server must have a matching token for authorization
 	// to succeed.  By default, this value is "".
-	Token string               `json:"token,omitempty"`
-	OIDC  AuthOIDCClientConfig `json:"oidc,omitempty"`
+	Token string `json:"token,omitempty"`
+	// TokenSource specifies a dynamic source for the authorization token.
+	// This is mutually exclusive with Token field.
+	TokenSource *ValueSource         `json:"tokenSource,omitempty"`
+	OIDC        AuthOIDCClientConfig `json:"oidc,omitempty"`
 }
 
-func (c *AuthClientConfig) Complete() {
+func (c *AuthClientConfig) Complete() error {
 	c.Method = util.EmptyOr(c.Method, "token")
+	return nil
 }
 
 type AuthOIDCClientConfig struct {
@@ -197,4 +217,23 @@ type AuthOIDCClientConfig struct {
 	// AdditionalEndpointParams specifies additional parameters to be sent
 	// this field will be transfer to map[string][]string in OIDC token generator.
 	AdditionalEndpointParams map[string]string `json:"additionalEndpointParams,omitempty"`
+
+	// TrustedCaFile specifies the path to a custom CA certificate file
+	// for verifying the OIDC token endpoint's TLS certificate.
+	TrustedCaFile string `json:"trustedCaFile,omitempty"`
+	// InsecureSkipVerify disables TLS certificate verification for the
+	// OIDC token endpoint. Only use this for debugging, not recommended for production.
+	InsecureSkipVerify bool `json:"insecureSkipVerify,omitempty"`
+	// ProxyURL specifies a proxy to use when connecting to the OIDC token endpoint.
+	// Supports http, https, socks5, and socks5h proxy protocols.
+	// If empty, no proxy is used for OIDC connections.
+	ProxyURL string `json:"proxyURL,omitempty"`
+
+	// TokenSource specifies a custom dynamic source for the authorization token.
+	// This is mutually exclusive with every other field of this structure.
+	TokenSource *ValueSource `json:"tokenSource,omitempty"`
+}
+
+type VirtualNetConfig struct {
+	Address string `json:"address,omitempty"`
 }

pkg/config/v1/client_test.go

@@ -24,7 +24,8 @@ import (
 func TestClientConfigComplete(t *testing.T) {
 	require := require.New(t)
 	c := &ClientConfig{}
-	c.Complete()
+	err := c.Complete()
+	require.NoError(err)
 
 	require.EqualValues("token", c.Auth.Method)
 	require.Equal(true, lo.FromPtr(c.Transport.TCPMux))
@@ -33,3 +34,11 @@ func TestClientConfigComplete(t *testing.T) {
 	require.Equal(true, lo.FromPtr(c.Transport.TLS.DisableCustomTLSFirstByte))
 	require.NotEmpty(c.NatHoleSTUNServer)
 }
+
+func TestAuthClientConfig_Complete(t *testing.T) {
+	require := require.New(t)
+	cfg := &AuthClientConfig{}
+	err := cfg.Complete()
+	require.NoError(err)
+	require.EqualValues("token", cfg.Method)
+}

pkg/config/v1/common.go

@@ -85,9 +85,9 @@ func (c *WebServerConfig) Complete() {
 }
 
 type TLSConfig struct {
-	// CertPath specifies the path of the cert file that client will load.
+	// CertFile specifies the path of the cert file that client will load.
 	CertFile string `json:"certFile,omitempty"`
-	// KeyPath specifies the path of the secret key file that client will load.
+	// KeyFile specifies the path of the secret key file that client will load.
 	KeyFile string `json:"keyFile,omitempty"`
 	// TrustedCaFile specifies the path of the trusted ca file that will load.
 	TrustedCaFile string `json:"trustedCaFile,omitempty"`
@@ -96,6 +96,14 @@ type TLSConfig struct {
 	ServerName string `json:"serverName,omitempty"`
 }
 
+// NatTraversalConfig defines configuration options for NAT traversal
+type NatTraversalConfig struct {
+	// DisableAssistedAddrs disables the use of local network interfaces
+	// for assisted connections during NAT traversal. When enabled,
+	// only STUN-discovered public addresses will be used.
+	DisableAssistedAddrs bool `json:"disableAssistedAddrs,omitempty"`
+}
+
 type LogConfig struct {
 	// This is destination where frp should write the logs.
 	// If "console" is used, logs will be printed to stdout, otherwise,
@@ -129,3 +137,8 @@ type HTTPPluginOptions struct {
 type HeaderOperations struct {
 	Set map[string]string `json:"set,omitempty"`
 }
+
+type HTTPHeader struct {
+	Name  string `json:"name"`
+	Value string `json:"value"`
+}

pkg/config/v1/proxy.go

@@ -97,6 +97,9 @@ type HealthCheckConfig struct {
 	// Path specifies the path to send health checks to if the
 	// health check type is "http".
 	Path string `json:"path,omitempty"`
+	// HTTPHeaders specifies the headers to send with the health request, if
+	// the health check type is "http".
+	HTTPHeaders []HTTPHeader `json:"httpHeaders,omitempty"`
 }
 
 type DomainConfig struct {
@@ -105,9 +108,13 @@ type DomainConfig struct {
 }
 
 type ProxyBaseConfig struct {
-	Name      string         `json:"name"`
-	Type      string         `json:"type"`
-	Transport ProxyTransport `json:"transport,omitempty"`
+	Name string `json:"name"`
+	Type string `json:"type"`
+	// Enabled controls whether this proxy is enabled. nil or true means enabled, false means disabled.
+	// This allows individual control over each proxy, complementing the global "start" field.
+	Enabled     *bool             `json:"enabled,omitempty"`
+	Annotations map[string]string `json:"annotations,omitempty"`
+	Transport   ProxyTransport    `json:"transport,omitempty"`
 	// metadata info for each proxy
 	Metadatas    map[string]string  `json:"metadatas,omitempty"`
 	LoadBalancer LoadBalancerConfig `json:"loadBalancer,omitempty"`
@@ -123,6 +130,10 @@ func (c *ProxyBaseConfig) Complete(namePrefix string) {
 	c.Name = lo.Ternary(namePrefix == "", "", namePrefix+".") + c.Name
 	c.LocalIP = util.EmptyOr(c.LocalIP, "127.0.0.1")
 	c.Transport.BandwidthLimitMode = util.EmptyOr(c.Transport.BandwidthLimitMode, types.BandwidthLimitModeClient)
+
+	if c.Plugin.ClientPluginOptions != nil {
+		c.Plugin.Complete()
+	}
 }
 
 func (c *ProxyBaseConfig) MarshalToMsg(m *msg.NewProxy) {
@@ -138,6 +149,7 @@ func (c *ProxyBaseConfig) MarshalToMsg(m *msg.NewProxy) {
 	m.Group = c.LoadBalancer.Group
 	m.GroupKey = c.LoadBalancer.GroupKey
 	m.Metas = c.Metadatas
+	m.Annotations = c.Annotations
 }
 
 func (c *ProxyBaseConfig) UnmarshalFromMsg(m *msg.NewProxy) {
@@ -154,6 +166,7 @@ func (c *ProxyBaseConfig) UnmarshalFromMsg(m *msg.NewProxy) {
 	c.LoadBalancer.Group = m.Group
 	c.LoadBalancer.GroupKey = m.GroupKey
 	c.Metadatas = m.Metas
+	c.Annotations = m.Annotations
 }
 
 type TypedProxyConfig struct {
@@ -183,19 +196,23 @@ func (c *TypedProxyConfig) UnmarshalJSON(b []byte) error {
 		decoder.DisallowUnknownFields()
 	}
 	if err := decoder.Decode(configurer); err != nil {
-		return err
+		return fmt.Errorf("unmarshal ProxyConfig error: %v", err)
 	}
 	c.ProxyConfigurer = configurer
 	return nil
 }
 
+func (c *TypedProxyConfig) MarshalJSON() ([]byte, error) {
+	return json.Marshal(c.ProxyConfigurer)
+}
+
 type ProxyConfigurer interface {
 	Complete(namePrefix string)
 	GetBaseConfig() *ProxyBaseConfig
 	// MarshalToMsg marshals this config into a msg.NewProxy message. This
 	// function will be called on the frpc side.
 	MarshalToMsg(*msg.NewProxy)
-	// UnmarshalFromMsg unmarshals a msg.NewProxy message into this config.
+	// UnmarshalFromMsg unmarshal a msg.NewProxy message into this config.
 	// This function will be called on the frps side.
 	UnmarshalFromMsg(*msg.NewProxy)
 }
@@ -285,6 +302,7 @@ type HTTPProxyConfig struct {
 	HTTPPassword      string           `json:"httpPassword,omitempty"`
 	HostHeaderRewrite string           `json:"hostHeaderRewrite,omitempty"`
 	RequestHeaders    HeaderOperations `json:"requestHeaders,omitempty"`
+	ResponseHeaders   HeaderOperations `json:"responseHeaders,omitempty"`
 	RouteByHTTPUser   string           `json:"routeByHTTPUser,omitempty"`
 }
 
@@ -298,6 +316,7 @@ func (c *HTTPProxyConfig) MarshalToMsg(m *msg.NewProxy) {
 	m.HTTPUser = c.HTTPUser
 	m.HTTPPwd = c.HTTPPassword
 	m.Headers = c.RequestHeaders.Set
+	m.ResponseHeaders = c.ResponseHeaders.Set
 	m.RouteByHTTPUser = c.RouteByHTTPUser
 }
 
@@ -311,6 +330,7 @@ func (c *HTTPProxyConfig) UnmarshalFromMsg(m *msg.NewProxy) {
 	c.HTTPUser = m.HTTPUser
 	c.HTTPPassword = m.HTTPPwd
 	c.RequestHeaders.Set = m.Headers
+	c.ResponseHeaders.Set = m.ResponseHeaders
 	c.RouteByHTTPUser = m.RouteByHTTPUser
 }
 
@@ -405,6 +425,9 @@ type XTCPProxyConfig struct {
 
 	Secretkey  string   `json:"secretKey,omitempty"`
 	AllowUsers []string `json:"allowUsers,omitempty"`
+
+	// NatTraversal configuration for NAT traversal
+	NatTraversal *NatTraversalConfig `json:"natTraversal,omitempty"`
 }
 
 func (c *XTCPProxyConfig) MarshalToMsg(m *msg.NewProxy) {

pkg/config/v1/proxy_plugin.go

@@ -17,11 +17,44 @@ package v1
 import (
 	"bytes"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"reflect"
+
+	"github.com/samber/lo"
+
+	"github.com/fatedier/frp/pkg/util/util"
 )
 
-type ClientPluginOptions interface{}
+const (
+	PluginHTTP2HTTPS       = "http2https"
+	PluginHTTPProxy        = "http_proxy"
+	PluginHTTPS2HTTP       = "https2http"
+	PluginHTTPS2HTTPS      = "https2https"
+	PluginHTTP2HTTP        = "http2http"
+	PluginSocks5           = "socks5"
+	PluginStaticFile       = "static_file"
+	PluginUnixDomainSocket = "unix_domain_socket"
+	PluginTLS2Raw          = "tls2raw"
+	PluginVirtualNet       = "virtual_net"
+)
+
+var clientPluginOptionsTypeMap = map[string]reflect.Type{
+	PluginHTTP2HTTPS:       reflect.TypeOf(HTTP2HTTPSPluginOptions{}),
+	PluginHTTPProxy:        reflect.TypeOf(HTTPProxyPluginOptions{}),
+	PluginHTTPS2HTTP:       reflect.TypeOf(HTTPS2HTTPPluginOptions{}),
+	PluginHTTPS2HTTPS:      reflect.TypeOf(HTTPS2HTTPSPluginOptions{}),
+	PluginHTTP2HTTP:        reflect.TypeOf(HTTP2HTTPPluginOptions{}),
+	PluginSocks5:           reflect.TypeOf(Socks5PluginOptions{}),
+	PluginStaticFile:       reflect.TypeOf(StaticFilePluginOptions{}),
+	PluginUnixDomainSocket: reflect.TypeOf(UnixDomainSocketPluginOptions{}),
+	PluginTLS2Raw:          reflect.TypeOf(TLS2RawPluginOptions{}),
+	PluginVirtualNet:       reflect.TypeOf(VirtualNetPluginOptions{}),
+}
+
+type ClientPluginOptions interface {
+	Complete()
+}
 
 type TypedClientPluginOptions struct {
 	Type string `json:"type"`
@@ -42,7 +75,7 @@ func (c *TypedClientPluginOptions) UnmarshalJSON(b []byte) error {
 
 	c.Type = typeStruct.Type
 	if c.Type == "" {
-		return nil
+		return errors.New("plugin type is empty")
 	}
 
 	v, ok := clientPluginOptionsTypeMap[typeStruct.Type]
@@ -57,30 +90,14 @@ func (c *TypedClientPluginOptions) UnmarshalJSON(b []byte) error {
 	}
 
 	if err := decoder.Decode(options); err != nil {
-		return err
+		return fmt.Errorf("unmarshal ClientPluginOptions error: %v", err)
 	}
 	c.ClientPluginOptions = options
 	return nil
 }
 
-const (
-	PluginHTTP2HTTPS       = "http2https"
-	PluginHTTPProxy        = "http_proxy"
-	PluginHTTPS2HTTP       = "https2http"
-	PluginHTTPS2HTTPS      = "https2https"
-	PluginSocks5           = "socks5"
-	PluginStaticFile       = "static_file"
-	PluginUnixDomainSocket = "unix_domain_socket"
-)
-
-var clientPluginOptionsTypeMap = map[string]reflect.Type{
-	PluginHTTP2HTTPS:       reflect.TypeOf(HTTP2HTTPSPluginOptions{}),
-	PluginHTTPProxy:        reflect.TypeOf(HTTPProxyPluginOptions{}),
-	PluginHTTPS2HTTP:       reflect.TypeOf(HTTPS2HTTPPluginOptions{}),
-	PluginHTTPS2HTTPS:      reflect.TypeOf(HTTPS2HTTPSPluginOptions{}),
-	PluginSocks5:           reflect.TypeOf(Socks5PluginOptions{}),
-	PluginStaticFile:       reflect.TypeOf(StaticFilePluginOptions{}),
-	PluginUnixDomainSocket: reflect.TypeOf(UnixDomainSocketPluginOptions{}),
+func (c *TypedClientPluginOptions) MarshalJSON() ([]byte, error) {
+	return json.Marshal(c.ClientPluginOptions)
 }
 
 type HTTP2HTTPSPluginOptions struct {
@@ -90,36 +107,61 @@ type HTTP2HTTPSPluginOptions struct {
 	RequestHeaders    HeaderOperations `json:"requestHeaders,omitempty"`
 }
 
+func (o *HTTP2HTTPSPluginOptions) Complete() {}
+
 type HTTPProxyPluginOptions struct {
 	Type         string `json:"type,omitempty"`
 	HTTPUser     string `json:"httpUser,omitempty"`
 	HTTPPassword string `json:"httpPassword,omitempty"`
 }
 
+func (o *HTTPProxyPluginOptions) Complete() {}
+
 type HTTPS2HTTPPluginOptions struct {
 	Type              string           `json:"type,omitempty"`
 	LocalAddr         string           `json:"localAddr,omitempty"`
 	HostHeaderRewrite string           `json:"hostHeaderRewrite,omitempty"`
 	RequestHeaders    HeaderOperations `json:"requestHeaders,omitempty"`
+	EnableHTTP2       *bool            `json:"enableHTTP2,omitempty"`
 	CrtPath           string           `json:"crtPath,omitempty"`
 	KeyPath           string           `json:"keyPath,omitempty"`
 }
 
+func (o *HTTPS2HTTPPluginOptions) Complete() {
+	o.EnableHTTP2 = util.EmptyOr(o.EnableHTTP2, lo.ToPtr(true))
+}
+
 type HTTPS2HTTPSPluginOptions struct {
 	Type              string           `json:"type,omitempty"`
 	LocalAddr         string           `json:"localAddr,omitempty"`
 	HostHeaderRewrite string           `json:"hostHeaderRewrite,omitempty"`
 	RequestHeaders    HeaderOperations `json:"requestHeaders,omitempty"`
+	EnableHTTP2       *bool            `json:"enableHTTP2,omitempty"`
 	CrtPath           string           `json:"crtPath,omitempty"`
 	KeyPath           string           `json:"keyPath,omitempty"`
 }
 
+func (o *HTTPS2HTTPSPluginOptions) Complete() {
+	o.EnableHTTP2 = util.EmptyOr(o.EnableHTTP2, lo.ToPtr(true))
+}
+
+type HTTP2HTTPPluginOptions struct {
+	Type              string           `json:"type,omitempty"`
+	LocalAddr         string           `json:"localAddr,omitempty"`
+	HostHeaderRewrite string           `json:"hostHeaderRewrite,omitempty"`
+	RequestHeaders    HeaderOperations `json:"requestHeaders,omitempty"`
+}
+
+func (o *HTTP2HTTPPluginOptions) Complete() {}
+
 type Socks5PluginOptions struct {
 	Type     string `json:"type,omitempty"`
 	Username string `json:"username,omitempty"`
 	Password string `json:"password,omitempty"`
 }
 
+func (o *Socks5PluginOptions) Complete() {}
+
 type StaticFilePluginOptions struct {
 	Type         string `json:"type,omitempty"`
 	LocalPath    string `json:"localPath,omitempty"`
@@ -128,7 +170,26 @@ type StaticFilePluginOptions struct {
 	HTTPPassword string `json:"httpPassword,omitempty"`
 }
 
+func (o *StaticFilePluginOptions) Complete() {}
+
 type UnixDomainSocketPluginOptions struct {
 	Type     string `json:"type,omitempty"`
 	UnixPath string `json:"unixPath,omitempty"`
 }
+
+func (o *UnixDomainSocketPluginOptions) Complete() {}
+
+type TLS2RawPluginOptions struct {
+	Type      string `json:"type,omitempty"`
+	LocalAddr string `json:"localAddr,omitempty"`
+	CrtPath   string `json:"crtPath,omitempty"`
+	KeyPath   string `json:"keyPath,omitempty"`
+}
+
+func (o *TLS2RawPluginOptions) Complete() {}
+
+type VirtualNetPluginOptions struct {
+	Type string `json:"type,omitempty"`
+}
+
+func (o *VirtualNetPluginOptions) Complete() {}

pkg/config/v1/server.go

@@ -98,8 +98,10 @@ type ServerConfig struct {
 	HTTPPlugins []HTTPPluginOptions `json:"httpPlugins,omitempty"`
 }
 
-func (c *ServerConfig) Complete() {
-	c.Auth.Complete()
+func (c *ServerConfig) Complete() error {
+	if err := c.Auth.Complete(); err != nil {
+		return err
+	}
 	c.Log.Complete()
 	c.Transport.Complete()
 	c.WebServer.Complete()
@@ -120,17 +122,20 @@ func (c *ServerConfig) Complete() {
 	c.UserConnTimeout = util.EmptyOr(c.UserConnTimeout, 10)
 	c.UDPPacketSize = util.EmptyOr(c.UDPPacketSize, 1500)
 	c.NatHoleAnalysisDataReserveHours = util.EmptyOr(c.NatHoleAnalysisDataReserveHours, 7*24)
+	return nil
 }
 
 type AuthServerConfig struct {
 	Method           AuthMethod           `json:"method,omitempty"`
 	AdditionalScopes []AuthScope          `json:"additionalScopes,omitempty"`
 	Token            string               `json:"token,omitempty"`
+	TokenSource      *ValueSource         `json:"tokenSource,omitempty"`
 	OIDC             AuthOIDCServerConfig `json:"oidc,omitempty"`
 }
 
-func (c *AuthServerConfig) Complete() {
+func (c *AuthServerConfig) Complete() error {
 	c.Method = util.EmptyOr(c.Method, "token")
+	return nil
 }
 
 type AuthOIDCServerConfig struct {
@@ -176,10 +181,15 @@ type ServerTransportConfig struct {
 
 func (c *ServerTransportConfig) Complete() {
 	c.TCPMux = util.EmptyOr(c.TCPMux, lo.ToPtr(true))
-	c.TCPMuxKeepaliveInterval = util.EmptyOr(c.TCPMuxKeepaliveInterval, 60)
+	c.TCPMuxKeepaliveInterval = util.EmptyOr(c.TCPMuxKeepaliveInterval, 30)
 	c.TCPKeepAlive = util.EmptyOr(c.TCPKeepAlive, 7200)
 	c.MaxPoolCount = util.EmptyOr(c.MaxPoolCount, 5)
-	c.HeartbeatTimeout = util.EmptyOr(c.HeartbeatTimeout, 90)
+	if lo.FromPtr(c.TCPMux) {
+		// If TCPMux is enabled, heartbeat of application layer is unnecessary because we can rely on heartbeat in tcpmux.
+		c.HeartbeatTimeout = util.EmptyOr(c.HeartbeatTimeout, -1)
+	} else {
+		c.HeartbeatTimeout = util.EmptyOr(c.HeartbeatTimeout, 90)
+	}
 	c.QUIC.Complete()
 	if c.TLS.TrustedCaFile != "" {
 		c.TLS.Force = true

pkg/config/v1/server_test.go

@@ -24,9 +24,18 @@ import (
 func TestServerConfigComplete(t *testing.T) {
 	require := require.New(t)
 	c := &ServerConfig{}
-	c.Complete()
+	err := c.Complete()
+	require.NoError(err)
 
 	require.EqualValues("token", c.Auth.Method)
 	require.Equal(true, lo.FromPtr(c.Transport.TCPMux))
 	require.Equal(true, lo.FromPtr(c.DetailedErrorsToClient))
 }
+
+func TestAuthServerConfig_Complete(t *testing.T) {
+	require := require.New(t)
+	cfg := &AuthServerConfig{}
+	err := cfg.Complete()
+	require.NoError(err)
+	require.EqualValues("token", cfg.Method)
+}

pkg/config/v1/validation/client.go

@@ -18,39 +18,114 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"slices"
 
 	"github.com/samber/lo"
 
 	v1 "github.com/fatedier/frp/pkg/config/v1"
+	"github.com/fatedier/frp/pkg/policy/featuregate"
+	"github.com/fatedier/frp/pkg/policy/security"
 )
 
-func ValidateClientCommonConfig(c *v1.ClientCommonConfig) (Warning, error) {
+func (v *ConfigValidator) ValidateClientCommonConfig(c *v1.ClientCommonConfig) (Warning, error) {
 	var (
 		warnings Warning
 		errs     error
 	)
-	if !lo.Contains(SupportedAuthMethods, c.Auth.Method) {
+
+	validators := []func() (Warning, error){
+		func() (Warning, error) { return validateFeatureGates(c) },
+		func() (Warning, error) { return v.validateAuthConfig(&c.Auth) },
+		func() (Warning, error) { return nil, validateLogConfig(&c.Log) },
+		func() (Warning, error) { return nil, validateWebServerConfig(&c.WebServer) },
+		func() (Warning, error) { return validateTransportConfig(&c.Transport) },
+		func() (Warning, error) { return validateIncludeFiles(c.IncludeConfigFiles) },
+	}
+
+	for _, validator := range validators {
+		w, err := validator()
+		warnings = AppendError(warnings, w)
+		errs = AppendError(errs, err)
+	}
+	return warnings, errs
+}
+
+func validateFeatureGates(c *v1.ClientCommonConfig) (Warning, error) {
+	if c.VirtualNet.Address != "" {
+		if !featuregate.Enabled(featuregate.VirtualNet) {
+			return nil, fmt.Errorf("VirtualNet feature is not enabled; enable it by setting the appropriate feature gate flag")
+		}
+	}
+	return nil, nil
+}
+
+func (v *ConfigValidator) validateAuthConfig(c *v1.AuthClientConfig) (Warning, error) {
+	var errs error
+	if !slices.Contains(SupportedAuthMethods, c.Method) {
 		errs = AppendError(errs, fmt.Errorf("invalid auth method, optional values are %v", SupportedAuthMethods))
 	}
-	if !lo.Every(SupportedAuthAdditionalScopes, c.Auth.AdditionalScopes) {
+	if !lo.Every(SupportedAuthAdditionalScopes, c.AdditionalScopes) {
 		errs = AppendError(errs, fmt.Errorf("invalid auth additional scopes, optional values are %v", SupportedAuthAdditionalScopes))
 	}
 
-	if err := validateLogConfig(&c.Log); err != nil {
-		errs = AppendError(errs, err)
+	// Validate token/tokenSource mutual exclusivity
+	if c.Token != "" && c.TokenSource != nil {
+		errs = AppendError(errs, fmt.Errorf("cannot specify both auth.token and auth.tokenSource"))
 	}
 
-	if err := validateWebServerConfig(&c.WebServer); err != nil {
-		errs = AppendError(errs, err)
+	// Validate tokenSource if specified
+	if c.TokenSource != nil {
+		if c.TokenSource.Type == "exec" {
+			if err := v.ValidateUnsafeFeature(security.TokenSourceExec); err != nil {
+				errs = AppendError(errs, err)
+			}
+		}
+		if err := c.TokenSource.Validate(); err != nil {
+			errs = AppendError(errs, fmt.Errorf("invalid auth.tokenSource: %v", err))
+		}
 	}
 
-	if c.Transport.HeartbeatTimeout > 0 && c.Transport.HeartbeatInterval > 0 {
-		if c.Transport.HeartbeatTimeout < c.Transport.HeartbeatInterval {
+	if err := v.validateOIDCConfig(&c.OIDC); err != nil {
+		errs = AppendError(errs, err)
+	}
+	return nil, errs
+}
+
+func (v *ConfigValidator) validateOIDCConfig(c *v1.AuthOIDCClientConfig) error {
+	if c.TokenSource == nil {
+		return nil
+	}
+	var errs error
+	// Validate oidc.tokenSource mutual exclusivity with other fields of oidc
+	if c.ClientID != "" || c.ClientSecret != "" || c.Audience != "" ||
+		c.Scope != "" || c.TokenEndpointURL != "" || len(c.AdditionalEndpointParams) > 0 ||
+		c.TrustedCaFile != "" || c.InsecureSkipVerify || c.ProxyURL != "" {
+		errs = AppendError(errs, fmt.Errorf("cannot specify both auth.oidc.tokenSource and any other field of auth.oidc"))
+	}
+	if c.TokenSource.Type == "exec" {
+		if err := v.ValidateUnsafeFeature(security.TokenSourceExec); err != nil {
+			errs = AppendError(errs, err)
+		}
+	}
+	if err := c.TokenSource.Validate(); err != nil {
+		errs = AppendError(errs, fmt.Errorf("invalid auth.oidc.tokenSource: %v", err))
+	}
+	return errs
+}
+
+func validateTransportConfig(c *v1.ClientTransportConfig) (Warning, error) {
+	var (
+		warnings Warning
+		errs     error
+	)
+
+	if c.HeartbeatTimeout > 0 && c.HeartbeatInterval > 0 {
+		if c.HeartbeatTimeout < c.HeartbeatInterval {
 			errs = AppendError(errs, fmt.Errorf("invalid transport.heartbeatTimeout, heartbeat timeout should not less than heartbeat interval"))
 		}
 	}
 
-	if !lo.FromPtr(c.Transport.TLS.Enable) {
+	if !lo.FromPtr(c.TLS.Enable) {
 		checkTLSConfig := func(name string, value string) Warning {
 			if value != "" {
 				return fmt.Errorf("%s is invalid when transport.tls.enable is false", name)
@@ -58,16 +133,20 @@ func ValidateClientCommonConfig(c *v1.ClientCommonConfig) (Warning, error) {
 			return nil
 		}
 
-		warnings = AppendError(warnings, checkTLSConfig("transport.tls.certFile", c.Transport.TLS.CertFile))
-		warnings = AppendError(warnings, checkTLSConfig("transport.tls.keyFile", c.Transport.TLS.KeyFile))
-		warnings = AppendError(warnings, checkTLSConfig("transport.tls.trustedCaFile", c.Transport.TLS.TrustedCaFile))
+		warnings = AppendError(warnings, checkTLSConfig("transport.tls.certFile", c.TLS.CertFile))
+		warnings = AppendError(warnings, checkTLSConfig("transport.tls.keyFile", c.TLS.KeyFile))
+		warnings = AppendError(warnings, checkTLSConfig("transport.tls.trustedCaFile", c.TLS.TrustedCaFile))
 	}
 
-	if !lo.Contains(SupportedTransportProtocols, c.Transport.Protocol) {
+	if !slices.Contains(SupportedTransportProtocols, c.Protocol) {
 		errs = AppendError(errs, fmt.Errorf("invalid transport.protocol, optional values are %v", SupportedTransportProtocols))
 	}
+	return warnings, errs
+}
 
-	for _, f := range c.IncludeConfigFiles {
+func validateIncludeFiles(files []string) (Warning, error) {
+	var errs error
+	for _, f := range files {
 		absDir, err := filepath.Abs(filepath.Dir(f))
 		if err != nil {
 			errs = AppendError(errs, fmt.Errorf("include: parse directory of %s failed: %v", f, err))
@@ -77,13 +156,19 @@ func ValidateClientCommonConfig(c *v1.ClientCommonConfig) (Warning, error) {
 			errs = AppendError(errs, fmt.Errorf("include: directory of %s not exist", f))
 		}
 	}
-	return warnings, errs
+	return nil, errs
 }
 
-func ValidateAllClientConfig(c *v1.ClientCommonConfig, proxyCfgs []v1.ProxyConfigurer, visitorCfgs []v1.VisitorConfigurer) (Warning, error) {
+func ValidateAllClientConfig(
+	c *v1.ClientCommonConfig,
+	proxyCfgs []v1.ProxyConfigurer,
+	visitorCfgs []v1.VisitorConfigurer,
+	unsafeFeatures *security.UnsafeFeatures,
+) (Warning, error) {
+	validator := NewConfigValidator(unsafeFeatures)
 	var warnings Warning
 	if c != nil {
-		warning, err := ValidateClientCommonConfig(c)
+		warning, err := validator.ValidateClientCommonConfig(c)
 		warnings = AppendError(warnings, warning)
 		if err != nil {
 			return warnings, err

pkg/config/v1/validation/common.go

@@ -16,8 +16,7 @@ package validation
 
 import (
 	"fmt"
-
-	"github.com/samber/lo"
+	"slices"
 
 	v1 "github.com/fatedier/frp/pkg/config/v1"
 )
@@ -44,7 +43,7 @@ func ValidatePort(port int, fieldPath string) error {
 }
 
 func validateLogConfig(c *v1.LogConfig) error {
-	if !lo.Contains(SupportedLogLevels, c.Level) {
+	if !slices.Contains(SupportedLogLevels, c.Level) {
 		return fmt.Errorf("invalid log level, optional values are %v", SupportedLogLevels)
 	}
 	return nil

pkg/config/v1/validation/plugin.go

@@ -32,6 +32,8 @@ func ValidateClientPluginOptions(c v1.ClientPluginOptions) error {
 		return validateStaticFilePluginOptions(v)
 	case *v1.UnixDomainSocketPluginOptions:
 		return validateUnixDomainSocketPluginOptions(v)
+	case *v1.TLS2RawPluginOptions:
+		return validateTLS2RawPluginOptions(v)
 	}
 	return nil
 }
@@ -70,3 +72,10 @@ func validateUnixDomainSocketPluginOptions(c *v1.UnixDomainSocketPluginOptions)
 	}
 	return nil
 }
+
+func validateTLS2RawPluginOptions(c *v1.TLS2RawPluginOptions) error {
+	if c.LocalAddr == "" {
+		return errors.New("localAddr is required")
+	}
+	return nil
+}

pkg/config/v1/validation/proxy.go

@@ -17,9 +17,10 @@ package validation
 import (
 	"errors"
 	"fmt"
+	"slices"
 	"strings"
 
-	"github.com/samber/lo"
+	"k8s.io/apimachinery/pkg/util/validation"
 
 	v1 "github.com/fatedier/frp/pkg/config/v1"
 )
@@ -29,11 +30,13 @@ func validateProxyBaseConfigForClient(c *v1.ProxyBaseConfig) error {
 		return errors.New("name should not be empty")
 	}
 
-	if !lo.Contains([]string{"", "v1", "v2"}, c.Transport.ProxyProtocolVersion) {
+	if err := ValidateAnnotations(c.Annotations); err != nil {
+		return err
+	}
+	if !slices.Contains([]string{"", "v1", "v2"}, c.Transport.ProxyProtocolVersion) {
 		return fmt.Errorf("not support proxy protocol version: %s", c.Transport.ProxyProtocolVersion)
 	}
-
-	if !lo.Contains([]string{"client", "server"}, c.Transport.BandwidthLimitMode) {
+	if !slices.Contains([]string{"client", "server"}, c.Transport.BandwidthLimitMode) {
 		return fmt.Errorf("bandwidth limit mode should be client or server")
 	}
 
@@ -43,7 +46,7 @@ func validateProxyBaseConfigForClient(c *v1.ProxyBaseConfig) error {
 		}
 	}
 
-	if !lo.Contains([]string{"", "tcp", "http"}, c.HealthCheck.Type) {
+	if !slices.Contains([]string{"", "tcp", "http"}, c.HealthCheck.Type) {
 		return fmt.Errorf("not support health check type: %s", c.HealthCheck.Type)
 	}
 	if c.HealthCheck.Type != "" {
@@ -61,7 +64,10 @@ func validateProxyBaseConfigForClient(c *v1.ProxyBaseConfig) error {
 	return nil
 }
 
-func validateProxyBaseConfigForServer(c *v1.ProxyBaseConfig, s *v1.ServerConfig) error {
+func validateProxyBaseConfigForServer(c *v1.ProxyBaseConfig) error {
+	if err := ValidateAnnotations(c.Annotations); err != nil {
+		return err
+	}
 	return nil
 }
 
@@ -133,7 +139,7 @@ func validateTCPMuxProxyConfigForClient(c *v1.TCPMuxProxyConfig) error {
 		return err
 	}
 
-	if !lo.Contains([]string{string(v1.TCPMultiplexerHTTPConnect)}, c.Multiplexer) {
+	if !slices.Contains([]string{string(v1.TCPMultiplexerHTTPConnect)}, c.Multiplexer) {
 		return fmt.Errorf("not support multiplexer: %s", c.Multiplexer)
 	}
 	return nil
@@ -161,7 +167,7 @@ func validateSUDPProxyConfigForClient(c *v1.SUDPProxyConfig) error {
 
 func ValidateProxyConfigurerForServer(c v1.ProxyConfigurer, s *v1.ServerConfig) error {
 	base := c.GetBaseConfig()
-	if err := validateProxyBaseConfigForServer(base, s); err != nil {
+	if err := validateProxyBaseConfigForServer(base); err != nil {
 		return err
 	}
 
@@ -231,3 +237,34 @@ func validateXTCPProxyConfigForServer(c *v1.XTCPProxyConfig, s *v1.ServerConfig)
 func validateSUDPProxyConfigForServer(c *v1.SUDPProxyConfig, s *v1.ServerConfig) error {
 	return nil
 }
+
+// ValidateAnnotations validates that a set of annotations are correctly defined.
+func ValidateAnnotations(annotations map[string]string) error {
+	if len(annotations) == 0 {
+		return nil
+	}
+
+	var errs error
+	for k := range annotations {
+		for _, msg := range validation.IsQualifiedName(strings.ToLower(k)) {
+			errs = AppendError(errs, fmt.Errorf("annotation key %s is invalid: %s", k, msg))
+		}
+	}
+	if err := ValidateAnnotationsSize(annotations); err != nil {
+		errs = AppendError(errs, err)
+	}
+	return errs
+}
+
+const TotalAnnotationSizeLimitB int = 256 * (1 << 10) // 256 kB
+
+func ValidateAnnotationsSize(annotations map[string]string) error {
+	var totalSize int64
+	for k, v := range annotations {
+		totalSize += (int64)(len(k)) + (int64)(len(v))
+	}
+	if totalSize > (int64)(TotalAnnotationSizeLimitB) {
+		return fmt.Errorf("annotations size %d is larger than limit %d", totalSize, TotalAnnotationSizeLimitB)
+	}
+	return nil
+}

pkg/config/v1/validation/server.go

@@ -16,24 +16,43 @@ package validation
 
 import (
 	"fmt"
+	"slices"
 
 	"github.com/samber/lo"
 
 	v1 "github.com/fatedier/frp/pkg/config/v1"
+	"github.com/fatedier/frp/pkg/policy/security"
 )
 
-func ValidateServerConfig(c *v1.ServerConfig) (Warning, error) {
+func (v *ConfigValidator) ValidateServerConfig(c *v1.ServerConfig) (Warning, error) {
 	var (
 		warnings Warning
 		errs     error
 	)
-	if !lo.Contains(SupportedAuthMethods, c.Auth.Method) {
+	if !slices.Contains(SupportedAuthMethods, c.Auth.Method) {
 		errs = AppendError(errs, fmt.Errorf("invalid auth method, optional values are %v", SupportedAuthMethods))
 	}
 	if !lo.Every(SupportedAuthAdditionalScopes, c.Auth.AdditionalScopes) {
 		errs = AppendError(errs, fmt.Errorf("invalid auth additional scopes, optional values are %v", SupportedAuthAdditionalScopes))
 	}
 
+	// Validate token/tokenSource mutual exclusivity
+	if c.Auth.Token != "" && c.Auth.TokenSource != nil {
+		errs = AppendError(errs, fmt.Errorf("cannot specify both auth.token and auth.tokenSource"))
+	}
+
+	// Validate tokenSource if specified
+	if c.Auth.TokenSource != nil {
+		if c.Auth.TokenSource.Type == "exec" {
+			if err := v.ValidateUnsafeFeature(security.TokenSourceExec); err != nil {
+				errs = AppendError(errs, err)
+			}
+		}
+		if err := c.Auth.TokenSource.Validate(); err != nil {
+			errs = AppendError(errs, fmt.Errorf("invalid auth.tokenSource: %v", err))
+		}
+	}
+
 	if err := validateLogConfig(&c.Log); err != nil {
 		errs = AppendError(errs, err)
 	}

pkg/config/v1/validation/validator.go

@@ -0,0 +1,28 @@
+package validation
+
+import (
+	"fmt"
+
+	"github.com/fatedier/frp/pkg/policy/security"
+)
+
+// ConfigValidator holds the context dependencies for configuration validation.
+type ConfigValidator struct {
+	unsafeFeatures *security.UnsafeFeatures
+}
+
+// NewConfigValidator creates a new ConfigValidator instance.
+func NewConfigValidator(unsafeFeatures *security.UnsafeFeatures) *ConfigValidator {
+	return &ConfigValidator{
+		unsafeFeatures: unsafeFeatures,
+	}
+}
+
+// ValidateUnsafeFeature checks if a specific unsafe feature is enabled.
+func (v *ConfigValidator) ValidateUnsafeFeature(feature string) error {
+	if !v.unsafeFeatures.IsEnabled(feature) {
+		return fmt.Errorf("unsafe feature %q is not enabled. "+
+			"To enable it, ensure it is allowed in the configuration or command line flags", feature)
+	}
+	return nil
+}

pkg/config/v1/validation/visitor.go

@@ -17,8 +17,7 @@ package validation
 import (
 	"errors"
 	"fmt"
-
-	"github.com/samber/lo"
+	"slices"
 
 	v1 "github.com/fatedier/frp/pkg/config/v1"
 )
@@ -56,7 +55,7 @@ func validateVisitorBaseConfig(c *v1.VisitorBaseConfig) error {
 }
 
 func validateXTCPVisitorConfig(c *v1.XTCPVisitorConfig) error {
-	if !lo.Contains([]string{"kcp", "quic"}, c.Protocol) {
+	if !slices.Contains([]string{"kcp", "quic"}, c.Protocol) {
 		return fmt.Errorf("protocol should be kcp or quic")
 	}
 	return nil

pkg/config/v1/value_source.go

@@ -0,0 +1,158 @@
+// Copyright 2025 The frp Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package v1
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"os"
+	"os/exec"
+	"strings"
+)
+
+// ValueSource provides a way to dynamically resolve configuration values
+// from various sources like files, environment variables, or external services.
+type ValueSource struct {
+	Type string      `json:"type"`
+	File *FileSource `json:"file,omitempty"`
+	Exec *ExecSource `json:"exec,omitempty"`
+}
+
+// FileSource specifies how to load a value from a file.
+type FileSource struct {
+	Path string `json:"path"`
+}
+
+// ExecSource specifies how to get a value from another program launched as subprocess.
+type ExecSource struct {
+	Command string       `json:"command"`
+	Args    []string     `json:"args,omitempty"`
+	Env     []ExecEnvVar `json:"env,omitempty"`
+}
+
+type ExecEnvVar struct {
+	Name  string `json:"name"`
+	Value string `json:"value"`
+}
+
+// Validate validates the ValueSource configuration.
+func (v *ValueSource) Validate() error {
+	if v == nil {
+		return errors.New("valueSource cannot be nil")
+	}
+
+	switch v.Type {
+	case "file":
+		if v.File == nil {
+			return errors.New("file configuration is required when type is 'file'")
+		}
+		return v.File.Validate()
+	case "exec":
+		if v.Exec == nil {
+			return errors.New("exec configuration is required when type is 'exec'")
+		}
+		return v.Exec.Validate()
+	default:
+		return fmt.Errorf("unsupported value source type: %s (only 'file' and 'exec' are supported)", v.Type)
+	}
+}
+
+// Resolve resolves the value from the configured source.
+func (v *ValueSource) Resolve(ctx context.Context) (string, error) {
+	if err := v.Validate(); err != nil {
+		return "", err
+	}
+
+	switch v.Type {
+	case "file":
+		return v.File.Resolve(ctx)
+	case "exec":
+		return v.Exec.Resolve(ctx)
+	default:
+		return "", fmt.Errorf("unsupported value source type: %s", v.Type)
+	}
+}
+
+// Validate validates the FileSource configuration.
+func (f *FileSource) Validate() error {
+	if f == nil {
+		return errors.New("fileSource cannot be nil")
+	}
+
+	if f.Path == "" {
+		return errors.New("file path cannot be empty")
+	}
+	return nil
+}
+
+// Resolve reads and returns the content from the specified file.
+func (f *FileSource) Resolve(_ context.Context) (string, error) {
+	if err := f.Validate(); err != nil {
+		return "", err
+	}
+
+	content, err := os.ReadFile(f.Path)
+	if err != nil {
+		return "", fmt.Errorf("failed to read file %s: %v", f.Path, err)
+	}
+
+	// Trim whitespace, which is important for file-based tokens
+	return strings.TrimSpace(string(content)), nil
+}
+
+// Validate validates the ExecSource configuration.
+func (e *ExecSource) Validate() error {
+	if e == nil {
+		return errors.New("execSource cannot be nil")
+	}
+
+	if e.Command == "" {
+		return errors.New("exec command cannot be empty")
+	}
+
+	for _, env := range e.Env {
+		if env.Name == "" {
+			return errors.New("exec env name cannot be empty")
+		}
+		if strings.Contains(env.Name, "=") {
+			return errors.New("exec env name cannot contain '='")
+		}
+	}
+	return nil
+}
+
+// Resolve reads and returns the content captured from stdout of launched subprocess.
+func (e *ExecSource) Resolve(ctx context.Context) (string, error) {
+	if err := e.Validate(); err != nil {
+		return "", err
+	}
+
+	cmd := exec.CommandContext(ctx, e.Command, e.Args...)
+	if len(e.Env) != 0 {
+		cmd.Env = os.Environ()
+		for _, env := range e.Env {
+			cmd.Env = append(cmd.Env, env.Name+"="+env.Value)
+		}
+	}
+
+	content, err := cmd.Output()
+	if err != nil {
+		return "", fmt.Errorf("failed to execute command %v: %v", e.Command, err)
+	}
+
+	// Trim whitespace, which is important for exec-based tokens
+	return strings.TrimSpace(string(content)), nil
+}

pkg/config/v1/value_source_test.go

@@ -0,0 +1,246 @@
+// Copyright 2025 The frp Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package v1
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestValueSource_Validate(t *testing.T) {
+	tests := []struct {
+		name    string
+		vs      *ValueSource
+		wantErr bool
+	}{
+		{
+			name:    "nil valueSource",
+			vs:      nil,
+			wantErr: true,
+		},
+		{
+			name: "unsupported type",
+			vs: &ValueSource{
+				Type: "unsupported",
+			},
+			wantErr: true,
+		},
+		{
+			name: "file type without file config",
+			vs: &ValueSource{
+				Type: "file",
+				File: nil,
+			},
+			wantErr: true,
+		},
+		{
+			name: "valid file type with absolute path",
+			vs: &ValueSource{
+				Type: "file",
+				File: &FileSource{
+					Path: "/tmp/test",
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "valid file type with relative path",
+			vs: &ValueSource{
+				Type: "file",
+				File: &FileSource{
+					Path: "configs/token",
+				},
+			},
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tt.vs.Validate()
+			if (err != nil) != tt.wantErr {
+				t.Errorf("ValueSource.Validate() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestFileSource_Validate(t *testing.T) {
+	tests := []struct {
+		name    string
+		fs      *FileSource
+		wantErr bool
+	}{
+		{
+			name:    "nil fileSource",
+			fs:      nil,
+			wantErr: true,
+		},
+		{
+			name: "empty path",
+			fs: &FileSource{
+				Path: "",
+			},
+			wantErr: true,
+		},
+		{
+			name: "relative path (allowed)",
+			fs: &FileSource{
+				Path: "relative/path",
+			},
+			wantErr: false,
+		},
+		{
+			name: "absolute path",
+			fs: &FileSource{
+				Path: "/absolute/path",
+			},
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tt.fs.Validate()
+			if (err != nil) != tt.wantErr {
+				t.Errorf("FileSource.Validate() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestFileSource_Resolve(t *testing.T) {
+	// Create a temporary file for testing
+	tmpDir := t.TempDir()
+	testFile := filepath.Join(tmpDir, "test_token")
+	testContent := "test-token-value\n\t "
+	expectedContent := "test-token-value"
+
+	err := os.WriteFile(testFile, []byte(testContent), 0o600)
+	if err != nil {
+		t.Fatalf("failed to create test file: %v", err)
+	}
+
+	tests := []struct {
+		name    string
+		fs      *FileSource
+		want    string
+		wantErr bool
+	}{
+		{
+			name: "valid file path",
+			fs: &FileSource{
+				Path: testFile,
+			},
+			want:    expectedContent,
+			wantErr: false,
+		},
+		{
+			name: "non-existent file",
+			fs: &FileSource{
+				Path: "/non/existent/file",
+			},
+			want:    "",
+			wantErr: true,
+		},
+		{
+			name: "path traversal attempt (should fail validation)",
+			fs: &FileSource{
+				Path: "../../../etc/passwd",
+			},
+			want:    "",
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := tt.fs.Resolve(context.Background())
+			if (err != nil) != tt.wantErr {
+				t.Errorf("FileSource.Resolve() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if got != tt.want {
+				t.Errorf("FileSource.Resolve() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestValueSource_Resolve(t *testing.T) {
+	// Create a temporary file for testing
+	tmpDir := t.TempDir()
+	testFile := filepath.Join(tmpDir, "test_token")
+	testContent := "test-token-value"
+
+	err := os.WriteFile(testFile, []byte(testContent), 0o600)
+	if err != nil {
+		t.Fatalf("failed to create test file: %v", err)
+	}
+
+	tests := []struct {
+		name    string
+		vs      *ValueSource
+		want    string
+		wantErr bool
+	}{
+		{
+			name: "valid file type",
+			vs: &ValueSource{
+				Type: "file",
+				File: &FileSource{
+					Path: testFile,
+				},
+			},
+			want:    testContent,
+			wantErr: false,
+		},
+		{
+			name: "unsupported type",
+			vs: &ValueSource{
+				Type: "unsupported",
+			},
+			want:    "",
+			wantErr: true,
+		},
+		{
+			name: "file type with path traversal",
+			vs: &ValueSource{
+				Type: "file",
+				File: &FileSource{
+					Path: "../../../etc/passwd",
+				},
+			},
+			want:    "",
+			wantErr: true,
+		},
+	}
+
+	ctx := context.Background()
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := tt.vs.Resolve(ctx)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("ValueSource.Resolve() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if got != tt.want {
+				t.Errorf("ValueSource.Resolve() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

pkg/config/v1/visitor.go

@@ -32,8 +32,11 @@ type VisitorTransport struct {
 }
 
 type VisitorBaseConfig struct {
-	Name      string           `json:"name"`
-	Type      string           `json:"type"`
+	Name string `json:"name"`
+	Type string `json:"type"`
+	// Enabled controls whether this visitor is enabled. nil or true means enabled, false means disabled.
+	// This allows individual control over each visitor, complementing the global "start" field.
+	Enabled   *bool            `json:"enabled,omitempty"`
 	Transport VisitorTransport `json:"transport,omitempty"`
 	SecretKey string           `json:"secretKey,omitempty"`
 	// if the server user is not set, it defaults to the current user
@@ -44,6 +47,9 @@ type VisitorBaseConfig struct {
 	// It can be less than 0, it means don't bind to the port and only receive connections redirected from
 	// other visitors. (This is not supported for SUDP now)
 	BindPort int `json:"bindPort,omitempty"`
+
+	// Plugin specifies what plugin should be used.
+	Plugin TypedVisitorPluginOptions `json:"plugin,omitempty"`
 }
 
 func (c *VisitorBaseConfig) GetBaseConfig() *VisitorBaseConfig {
@@ -114,12 +120,16 @@ func (c *TypedVisitorConfig) UnmarshalJSON(b []byte) error {
 		decoder.DisallowUnknownFields()
 	}
 	if err := decoder.Decode(configurer); err != nil {
-		return err
+		return fmt.Errorf("unmarshal VisitorConfig error: %v", err)
 	}
 	c.VisitorConfigurer = configurer
 	return nil
 }
 
+func (c *TypedVisitorConfig) MarshalJSON() ([]byte, error) {
+	return json.Marshal(c.VisitorConfigurer)
+}
+
 func NewVisitorConfigurerByType(t VisitorType) VisitorConfigurer {
 	v, ok := visitorConfigTypeMap[t]
 	if !ok {
@@ -153,6 +163,9 @@ type XTCPVisitorConfig struct {
 	MinRetryInterval  int    `json:"minRetryInterval,omitempty"`
 	FallbackTo        string `json:"fallbackTo,omitempty"`
 	FallbackTimeoutMs int    `json:"fallbackTimeoutMs,omitempty"`
+
+	// NatTraversal configuration for NAT traversal
+	NatTraversal *NatTraversalConfig `json:"natTraversal,omitempty"`
 }
 
 func (c *XTCPVisitorConfig) Complete(g *ClientCommonConfig) {

pkg/config/v1/visitor_plugin.go

@@ -0,0 +1,86 @@
+// Copyright 2025 The frp Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package v1
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"reflect"
+)
+
+const (
+	VisitorPluginVirtualNet = "virtual_net"
+)
+
+var visitorPluginOptionsTypeMap = map[string]reflect.Type{
+	VisitorPluginVirtualNet: reflect.TypeOf(VirtualNetVisitorPluginOptions{}),
+}
+
+type VisitorPluginOptions interface {
+	Complete()
+}
+
+type TypedVisitorPluginOptions struct {
+	Type string `json:"type"`
+	VisitorPluginOptions
+}
+
+func (c *TypedVisitorPluginOptions) UnmarshalJSON(b []byte) error {
+	if len(b) == 4 && string(b) == "null" {
+		return nil
+	}
+
+	typeStruct := struct {
+		Type string `json:"type"`
+	}{}
+	if err := json.Unmarshal(b, &typeStruct); err != nil {
+		return err
+	}
+
+	c.Type = typeStruct.Type
+	if c.Type == "" {
+		return errors.New("visitor plugin type is empty")
+	}
+
+	v, ok := visitorPluginOptionsTypeMap[typeStruct.Type]
+	if !ok {
+		return fmt.Errorf("unknown visitor plugin type: %s", typeStruct.Type)
+	}
+	options := reflect.New(v).Interface().(VisitorPluginOptions)
+
+	decoder := json.NewDecoder(bytes.NewBuffer(b))
+	if DisallowUnknownFields {
+		decoder.DisallowUnknownFields()
+	}
+
+	if err := decoder.Decode(options); err != nil {
+		return fmt.Errorf("unmarshal VisitorPluginOptions error: %v", err)
+	}
+	c.VisitorPluginOptions = options
+	return nil
+}
+
+func (c *TypedVisitorPluginOptions) MarshalJSON() ([]byte, error) {
+	return json.Marshal(c.VisitorPluginOptions)
+}
+
+type VirtualNetVisitorPluginOptions struct {
+	Type          string `json:"type"`
+	DestinationIP string `json:"destinationIP"`
+}
+
+func (o *VirtualNetVisitorPluginOptions) Complete() {}