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The easiest, most secure way to use WireGuard and 2FA.
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Simon Law 5cbe32e0bc cmd/tailscale/cli/jsonoutput: add support for --format=json 
`tailscale netcheck` is the only command that doesn’t support the
`--json` flag, but rather requires `--format=json`. This patch adds a
flag.Value named jsonoutput.Format that handles a boolean `--json`
flag, a versioned `--json=2` flag, and an optional
`--format=json-line` flag.

Updates #17613
Updates #17366
Updates tailscale/corp#33033

Signed-off-by: Simon Law <sfllaw@tailscale.com>
2026-07-02 20:26:27 -07:00
.bencher bencher: add config to suppress failures on benchmark regressions. 2021-10-01 16:16:02 -07:00
.github .github,.policy-tests.yml: test .policy.yml in CI 2026-06-26 15:55:15 -07:00
appc appc,feature/conn25: use custom scheme resolvers for conn25 2026-05-29 12:23:47 -07:00
atomicfile all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
chirp all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
client cmd/tailscale/cli: add tailscale exit-node suggest --force-probe 2026-07-02 20:26:27 -07:00
clientupdate util/progresstracking: add Ticker, NewWriter, and CountingWriter 2026-07-01 10:02:05 -07:00
cmd cmd/tailscale/cli/jsonoutput: add support for --format=json 2026-07-02 20:26:27 -07:00
control Revert "control/controlclient: continue map poll during key expiry to receive extensions" (#20257) 2026-06-25 15:24:12 -07:00
derp derp/derphttp: drop dial-only proxy port test 2026-05-31 19:22:11 -07:00
disco disco: remove experimental label from BindUDPRelayHandshakeState 2026-03-24 11:04:11 -07:00
docs misc: rename install-git-hooks.go to add-git-hooks.go (#20144) 2026-06-15 12:08:19 -04:00
doctor all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
drive ipn/ipnlocal, drive: stop using netmap.NetworkMap in Taildrive too 2026-06-23 10:41:50 -07:00
envknob envknob/logknob: remove unused package (#19515) 2026-04-24 15:48:06 -07:00
feature cmd/tailscale/cli: add tailscale exit-node suggest --force-probe 2026-07-02 20:26:27 -07:00
gokrazy gokrazy, Makefile: improve appliance build tooling 2026-07-02 09:24:01 -07:00
health all: don't repeat the the word "the" unnecessarily 2026-06-18 16:32:08 +01:00
hostinfo clientupdate, cmd/tailscale: verify signed GAFs, wire up tailscale update for Gokrazy 2026-06-30 07:09:25 -07:00
internal .github,.policy-tests.yml: test .policy.yml in CI 2026-06-26 15:55:15 -07:00
ipn cmd/tailscale/cli: add tailscale exit-node suggest --force-probe 2026-07-02 20:26:27 -07:00
jsondb all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
k8s-operator cmd/{containerboot,k8s-operator}: add 4via6 support in singleton egress (#19983) 2026-06-18 16:13:10 +01:00
kube kube/certs: use Let's Encrypt's recommended retry schedule (#20292) 2026-07-01 11:50:54 +01:00
licenses licenses: update license notices 2026-07-02 14:12:45 -07:00
log cmd/tailscale/cli: fix time in tailscale routecheck (#19956) 2026-06-01 16:12:08 -07:00
logpolicy logpolicy,tsnet: remove syspolicy dependency 2026-06-05 16:21:27 -05:00
logtail all: don't repeat the the word "the" unnecessarily 2026-06-18 16:32:08 +01:00
metrics cmd/vet/lowerell, drive/driveimpl: forbid variables named "l" or "I" 2026-05-04 14:03:28 -07:00
misc misc: rename install-git-hooks.go to add-git-hooks.go (#20144) 2026-06-15 12:08:19 -04:00
net ipn/ipnlocal: use routecheck reports to make exit node suggestions 2026-07-02 20:26:27 -07:00
omit all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
packages/deb all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
paths all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
portlist portlist: also tb.Skip benchmarks (not just tests) on bad Linux kernels 2026-02-12 13:19:09 -08:00
posture posture: add HealthTracker for serial number retrieval (#19181) 2026-04-25 15:42:47 -03:00
prober prober: deflake TestHTTPBandwidth 2026-06-23 08:35:57 -07:00
proxymap all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
release release/dist/synology: add GOARM=7,softfloat mode for hi3535 2026-05-27 10:54:15 -07:00
safesocket safesocket, ipn/ipnserver: use PeerCreds on solaris and illumos 2026-03-23 07:45:35 -07:00
safeweb all: don't repeat the the word "the" unnecessarily 2026-06-18 16:32:08 +01:00
scripts scripts/installer.sh: update KDE Linux link (#19857) 2026-05-24 21:40:42 +01:00
sessionrecording sessionrecording: close idle connections after upload 2026-06-19 13:42:14 +01:00
ssh/tailssh ssh/tailssh: dissallow purely numeric usernames for SSH 2026-06-11 17:52:51 -06:00
syncs cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
tailcfg ipn/ipnstate,tailcfg: define IsRouter for PeerStatus and Node 2026-07-02 20:26:27 -07:00
tempfork misc/genreadme,tempfork/pkgdoc,tsnet: generate README.md files from godoc 2026-04-22 15:13:09 -07:00
tka tka: use a named constant to tidy up sig_test.go 2026-06-11 10:37:48 +01:00
tool tool/gocross: retry downloading Go three times 2026-06-26 11:12:54 +01:00
tsconsensus all: migrate code off Notify.NetMap to Notify.SelfChange 2026-05-01 06:51:40 -07:00
tsconst ipn/ipnlocal, cmd/tailscale/cli: auto-renew TLS certs and warn while pending 2026-06-01 16:31:54 -07:00
tsd ipn/ipnlocal,tsd: add NoiseRoundTripper to tsd.Sys 2026-05-13 14:56:28 -07:00
tsnet ipn/ipnlocal: use routecheck reports to make exit node suggestions 2026-07-02 20:26:27 -07:00
tstest cmd/tailscaled, util/syspolicy: add JSON syspolicy file support 2026-06-30 13:10:16 -07:00
tstime cmd/tailscale/cli: fix time in tailscale routecheck (#19956) 2026-06-01 16:12:08 -07:00
tsweb cmd/tailscale/cli: fix time in tailscale routecheck (#19956) 2026-06-01 16:12:08 -07:00
types ipn: remove the last traces of Prefs.AllowSingleHosts 2026-06-26 15:31:38 +01:00
util util/progresstracking: add Ticker, NewWriter, and CountingWriter 2026-07-01 10:02:05 -07:00
version cmd/tailscaled, version/distro: default to userspace-networking on Crostini 2026-06-01 17:40:07 -07:00
wf wf: allow limited broadcast to/from permitted interfaces when using an exit node on Windows 2026-01-23 18:30:38 -06:00
wgengine wgengine/netstack: accept IPv4 fragments before reassembly 2026-07-02 14:44:00 -07:00
wif wif: add AWS ecs for autogenerated OIDC tokens 2026-03-25 14:41:41 -06:00
words words: add "cat" to scales.txt (#20106) 2026-06-12 12:48:53 +01:00
.gitattributes .gitattributes: explicitly mark text files as such with eol 2026-06-23 13:04:07 -07:00
.gitignore cmd/fbstatus: add framebuffer status display for the Tailscale appliance 2026-07-02 09:24:01 -07:00
.golangci.yml .golangci.yml: enforce gliderssh import alias via importas linter 2026-04-07 11:59:38 +01:00
.policy-tests.yml .github,.policy-tests.yml: test .policy.yml in CI 2026-06-26 15:55:15 -07:00
.policy.yml .policy.yml: tweak policy after testing 2026-06-26 12:28:02 -07:00
.stignore Add .stignore for syncthing (#18540) 2026-01-27 16:15:17 -08:00
ALPINE.txt docker: bump alpine v3.19 -> 3.22 (#17155) 2025-09-17 20:22:24 +01:00
api.md {api.md,publicapi}: remove old API docs (#13468) 2024-09-13 14:10:33 -06:00
assert_ts_toolchain_match.go .: permit running binary built with TS_GO_NEXT=1 2026-02-23 09:37:04 -08:00
build_dist.sh Add --strip option to build_dist 2026-06-02 10:59:29 -07:00
build_docker.sh docker: add riscv64 to container image architectures 2026-03-29 07:47:39 -07:00
cache_key_test.go util/cibuild, cache_key_test: skip TestTsgoRevInCacheKey outside Tailscale CI 2026-05-14 15:55:05 -07:00
CODE_OF_CONDUCT.md CODE_OF_CONDUCT.md: update code of conduct 2025-10-28 08:58:00 -07:00
CODEOWNERS CODEOWNERS,.policy.yml: replace CODEOWNERS with a policy-bot policy 2026-06-26 10:30:59 -07:00
Dockerfile go.toolchain.branch: switch to Go 1.26 2026-03-04 21:57:05 -08:00
Dockerfile.base all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
flake.lock nix: update flakes to get a nixpkgs version with go 1.26 2026-03-06 04:06:57 -08:00
flake.nix gokrazy, Makefile: improve appliance build tooling 2026-07-02 09:24:01 -07:00
flakehashes.json cmd/fbstatus: add framebuffer status display for the Tailscale appliance 2026-07-02 09:24:01 -07:00
go.mod cmd/fbstatus: add framebuffer status display for the Tailscale appliance 2026-07-02 09:24:01 -07:00
go.sum go.mod: update ts-gokrazy for local dev workflow 2026-07-01 15:43:35 -07:00
go.toolchain.branch go.toolchain.branch: switch to Go 1.26 2026-03-04 21:57:05 -08:00
go.toolchain.next.branch tool/gocross, pull-toolchain.sh: support a "next" Go toolchain 2026-01-27 14:07:35 -08:00
go.toolchain.next.rev go.toolchain.rev: bump to Go 1.26.4 2026-06-03 10:24:00 -06:00
go.toolchain.rev go.toolchain.rev: bump to Go 1.26.4 2026-06-03 10:24:00 -06:00
go.toolchain.version go.toolchain.rev: bump to Go 1.26.4 2026-06-03 10:24:00 -06:00
gomod_test.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
header.txt all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
LICENSE all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
license_test.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
Makefile gokrazy, Makefile: improve appliance build tooling 2026-07-02 09:24:01 -07:00
PATENTS Move Linux client & common packages into a public repo. 2020-02-09 09:32:57 -08:00
pkgdoc_test.go cmd/vet/lowerell, drive/driveimpl: forbid variables named "l" or "I" 2026-05-04 14:03:28 -07:00
pull-toolchain.sh tool/updateflakes, cmd/nardump: replace update-flake.sh with Go tool 2026-04-28 10:18:32 -07:00
README.md README: update the version of Go in the README (#19168) 2026-03-28 22:21:41 -03:00
SECURITY.md Add a SECURITY.md for vulnerability reports. 2020-02-11 10:26:41 -08:00
shell.nix go.mod: update ts-gokrazy for local dev workflow 2026-07-01 15:43:35 -07:00
staticcheck.conf all: cleanup unused code, part 2 (#10670) 2023-12-21 17:40:03 -08:00
version_tailscale_test.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
version_test.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
version-embed.go cmd/printdep: add --next flag to use rc Go build hash instead 2026-01-27 14:49:56 -08:00
VERSION.txt VERSION.txt: this is v1.101.0 (#19992) 2026-06-03 15:40:23 -04:00

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:

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 1.26. (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.