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Jonathan Nobels 643e91f2eb net/netmon: move TailscaleInterfaceIndex out of netmon.State (#18428 ) fixes tailscale/tailscale#18418 Both Serve and PeerAPI broke when we moved the TailscaleInterfaceName into State, which is updated asynchronously and may not be available when we configure the listeners. This extracts the explicit interface name property from netmon.State and adds as a static struct with getters that have proper error handling. The bug is only found in sandboxed Darwin clients, where we need to know the Tailscale interface details in order to set up the listeners correctly (they must bind to our interface explicitly to escape the network sandboxing that is applied by NECP). Currently set only sandboxed macOS and Plan9 set this but it will also be useful on Windows to simplify interface filtering in netns. Signed-off-by: Jonathan Nobels <jonathan@tailscale.com>		17 hours ago
.bencher	bencher: add config to suppress failures on benchmark regressions.	4 years ago
.github	.github/workflows: double the timeout for golangci-lint (#18404 )	3 days ago
appc	appc,feature: add the start of new conn25 app connector	1 month ago
atomicfile	all: rename variables with lowercase-l/uppercase-I	2 months ago
chirp	all: rename variables with lowercase-l/uppercase-I	2 months ago
client	client/local: add method to set gauge metric to a value	1 month ago
clientupdate	cmd/distsign: add CLI for verifying package signatures (#18239 )	1 week ago
cmd	net/netmon: move TailscaleInterfaceIndex out of netmon.State (#18428 )	17 hours ago
control	cleanup: fix typos across multiple files	2 months ago
derp	derp/derpserver: add a unique sender cardinality estimate	2 months ago
disco	disco: add missing message types to MessageSummary (#17081 )	4 months ago
docs	docs/windows/policy: use a separate value to track the configuration state of EnableDNSRegistration	18 hours ago
doctor	all: remove non-applicable "linux" deps on Android	8 months ago
drive	all: rename variables with lowercase-l/uppercase-I	2 months ago
envknob	syncs: add Mutex/RWMutex alias/wrappers for future mutex debugging	2 months ago
feature	cmd,feature: add identity token auto generation for workload identity (#18373 )	3 days ago
gokrazy	go.toolchain.rev: update to Go 1.25.5 (#18123 )	1 month ago
health	ipn/ipnlocal: use an in-memory TKA store if FS is unavailable	2 months ago
hostinfo	hostinfo, ipnlocal: add optional os-specific callback for querying the hostname (#15647 )	9 months ago
internal	cmd,feature: add identity token auto generation for workload identity (#18373 )	3 days ago
ipn	net/netmon: move TailscaleInterfaceIndex out of netmon.State (#18428 )	17 hours ago
jsondb	all: update copyright and license headers	3 years ago
k8s-operator	k8s-operator,kube: allowing k8s api request events to be enabled via grants (#18393 )	23 hours ago
kube	k8s-operator,kube: allowing k8s api request events to be enabled via grants (#18393 )	23 hours ago
licenses	net/portmapper, go.mod: unfork our goupnp dependency	1 week ago
log	all: rename variables with lowercase-l/uppercase-I	2 months ago
logpolicy	all: rename variables with lowercase-l/uppercase-I	2 months ago
logtail	net/netmon, wgengine/userspace: purge ChangeDelta.Major and address TODOs (#17823 )	1 month ago
maths	maths: add exponentially weighted moving average type	11 months ago
metrics	metrics: add a NewSet and Set.NewLabelMap helpers	4 days ago
net	net/netmon: move TailscaleInterfaceIndex out of netmon.State (#18428 )	17 hours ago
omit	cmd/tailscaled, ipn/conffile: support ec2 user-data config file	2 years ago
packages/deb	all: rename variables with lowercase-l/uppercase-I	2 months ago
paths	all: detect JetKVM and specialize a handful of things for it	6 months ago
portlist	portlist: skip tests on Linux 6.14.x with /proc/net/tcp bug (#18185 )	1 month ago
posture	util/syspolicy/policyclient: add policyclient.Client interface, start plumbing	5 months ago
prober	all: rename variables with lowercase-l/uppercase-I	2 months ago
proxymap	syncs: add Mutex/RWMutex alias/wrappers for future mutex debugging	2 months ago
release	all: use Go 1.20's errors.Join instead of our multierr package	4 months ago
safesocket	ipn/ipnauth, safesocket: defer named pipe client's token retrieval until ipnserver needs it	4 weeks ago
safeweb	safeweb: Set Cross-Origin-Opener-Policy for browser requests (#15936 )	8 months ago
scripts	scripts/installer.sh: add ultramarine to supported OS list	2 weeks ago
sessionrecording	sessionrecording: fix regression in recent http2 package change	3 months ago
ssh/tailssh	ssh/tailssh: send audit messages on SSH login (Linux)	2 weeks ago
syncs	syncs: add means of declare locking assumptions for debug mode validation	2 months ago
tailcfg	tailcfg, control/controlclient: start moving MapResponse.DefaultAutoUpdate to a nodeattr	2 months ago
tempfork	feature/c2n: move answerC2N code + deps out of control/controlclient	3 months ago
tka	tka: add some more tests for Bootstrap()	1 month ago
tool	tool/gocross: update gocross-wrapper.ps1 to use absolute path for resolving tar	2 days ago
tsconsensus	tsconsensus: skip integration tests in CI	2 months ago
tsconst	health: compare warnable codes to avoid errors on release branch (#17637 )	3 months ago
tsd	cmd/tailscale,ipn: add Unix socket support for serve	1 month ago
tsnet	tsnet: allow for automatic ID token generation	3 days ago
tstest	net/portmapper, go.mod: unfork our goupnp dependency	1 week ago
tstime	tstime: add GoDuration which JSON serializes with time.Duration.String (#15726 )	9 months ago
tsweb	tsweb: add Unwrap to loggingResponseWriter for ResponseController (#18195 )	1 month ago
types	ipn,ipn/local: always accept routes for Tailscale Services (cgnat range) (#18173 )	3 days ago
util	feature/featuretags: make QR codes modular (#18358 )	1 week ago
version	clientupdate, util/osshare, util/winutil, version: improve Windows GUI filename resolution and WinUI build awareness	3 months ago
wf	all: rename variables with lowercase-l/uppercase-I	2 months ago
wgengine	ipn,ipn/local: always accept routes for Tailscale Services (cgnat range) (#18173 )	3 days ago
wif	cmd,feature: add identity token auto generation for workload identity (#18373 )	3 days ago
words	words: 33 tails and 26 scales (#18213 )	1 month ago
.gitattributes	.: add .gitattributes entry to use Go hunk-header driver	4 years ago
.gitignore	cmd/k8s-operator: Add NOTES.txt to Helm chart (#16364 )	7 months ago
.golangci.yml	.github: Bump golangci/golangci-lint-action from 6.5.0 to 7.0.0 (#15476 )	9 months ago
ALPINE.txt	docker: bump alpine v3.19 -> 3.22 (#17155 )	4 months ago
AUTHORS	Move Linux client & common packages into a public repo.	6 years ago
CODEOWNERS	CODEOWNERS: add the start of an owners file	2 years ago
CODE_OF_CONDUCT.md	CODE_OF_CONDUCT.md: update code of conduct	3 months ago
Dockerfile	.github/workfkows,Dockerfile,Dockerfile.base: add a test for base image (#18180 )	1 month ago
Dockerfile.base	.github/workfkows,Dockerfile,Dockerfile.base: add a test for base image (#18180 )	1 month ago
LICENSE	all: update tools that manage copyright headers	3 years ago
Makefile	Makefile, cmd/*/depaware.txt: split out vendor packages explicitly	4 months ago
PATENTS	Move Linux client & common packages into a public repo.	6 years ago
README.md	README: update the version of Go in the README	4 months ago
SECURITY.md	Add a SECURITY.md for vulnerability reports.	6 years ago
VERSION.txt	VERSION.txt: this is v1.95.0 (#18414 )	3 days ago
api.md	{api.md,publicapi}: remove old API docs (#13468 )	1 year ago
assert_ts_toolchain_match.go	tailscaleroot: panic if tailscale_go build tag but Go toolchain mismatch	1 year ago
build_dist.sh	build_dist.sh: keep --extra-small making a usable build, add --min	3 months ago
build_docker.sh	build_docker.sh: support including extra files (#17405 )	4 months ago
flake.lock	.github/Makefile/flake: update nix flake support (#16636 )	5 months ago
flake.nix	cmd,feature: add identity token auto generation for workload identity (#18373 )	3 days ago
go.mod	cmd,feature: add identity token auto generation for workload identity (#18373 )	3 days ago
go.mod.sri	cmd,feature: add identity token auto generation for workload identity (#18373 )	3 days ago
go.sum	cmd,feature: add identity token auto generation for workload identity (#18373 )	3 days ago
go.toolchain.branch	go.toolchain.branch: bump to go1.25 (#16954 )	5 months ago
go.toolchain.rev	go.toolchain.rev: update to Go 1.25.5 (#18123 )	1 month ago
go.toolchain.rev.sri	go.toolchain.rev: update to Go 1.25.5 (#18123 )	1 month ago
go.toolchain.version	go.toolchain.rev: update to Go 1.25.5 (#18123 )	1 month ago
gomod_test.go	go.mod: add test that replace directives aren't added in oss	2 years ago
header.txt	cmd/k8s-operator: operator can create subnetrouter (#9505 )	2 years ago
license_test.go	wgengine/router{,/osrouter}: split OS router implementations into subpackage	4 months ago
pkgdoc_test.go	all: skip looking for package comments in .git/ repository (#15384 )	10 months ago
pull-toolchain.sh	flake.nix: update Nix to use tailscale/go 1.25.2 (#17500 )	3 months ago
shell.nix	cmd,feature: add identity token auto generation for workload identity (#18373 )	3 days ago
staticcheck.conf	all: cleanup unused code, part 2 (#10670 )	2 years ago
update-flake.sh	flake.nix: update Nix to use tailscale/go 1.25.2 (#17500 )	3 months ago
version-embed.go	Fix various linting, vet & static check issues	1 year ago
version_tailscale_test.go	tailscaleroot: panic if tailscale_go build tag but Go toolchain mismatch	1 year ago
version_test.go	.github/workflows: test that ./go/tool version matches go mod version	7 months ago

README.md

Tailscale

https://tailscale.com

Private WireGuard® networks made easy

Overview

This repository contains the majority of Tailscale's open source code. Notably, it includes the tailscaled daemon and the tailscale CLI tool. The tailscaled daemon runs on Linux, Windows, macOS, and to varying degrees on FreeBSD and OpenBSD. The Tailscale iOS and Android apps use this repo's code, but this repo doesn't contain the mobile GUI code.

Other Tailscale repos of note:

the Android app is at https://github.com/tailscale/tailscale-android
the Synology package is at https://github.com/tailscale/tailscale-synology
the QNAP package is at https://github.com/tailscale/tailscale-qpkg
the Chocolatey packaging is at https://github.com/tailscale/tailscale-chocolatey

For background on which parts of Tailscale are open source and why, see https://tailscale.com/opensource/.

Using

We serve packages for a variety of distros and platforms at https://pkgs.tailscale.com.

Other clients

The macOS, iOS, and Windows clients use the code in this repository but additionally include small GUI wrappers. The GUI wrappers on non-open source platforms are themselves not open source.

Building

We always require the latest Go release, currently Go 1.25. (While we build releases with our Go fork, its use is not required.)

go install tailscale.com/cmd/tailscale{,d}

If you're packaging Tailscale for distribution, use build_dist.sh instead, to burn commit IDs and version info into the binaries:

./build_dist.sh tailscale.com/cmd/tailscale
./build_dist.sh tailscale.com/cmd/tailscaled

If your distro has conventions that preclude the use of build_dist.sh, please do the equivalent of what it does in your distro's way, so that bug reports contain useful version information.

Bugs

Please file any issues about this code or the hosted service on the issue tracker.

Contributing

PRs welcome! But please file bugs. Commit messages should reference bugs.

We require Developer Certificate of Origin Signed-off-by lines in commits.

See commit-messages.md (or skim git log) for our commit message style.

About Us

Tailscale is primarily developed by the people at https://github.com/orgs/tailscale/people. For other contributors, see:

Legal

WireGuard is a registered trademark of Jason A. Donenfeld.