Brad Fitzpatrick d7253cb40e tsnet: add test and docs for using an exit node
tsnet nodes have long been able to use an exit node by setting the
ExitNodeID pref through LocalClient, but that was neither documented
nor tested.

Add a package doc section (and regenerate the README) showing how to
select an exit node via EditPrefs, and add TestDialThroughExitNode
verifying that a Dial of a non-tailnet IP is routed over WireGuard to
the exit node rather than dialed from the host network.

Fixes #20986

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
Change-Id: Ia1715a628245c52163083803889fd1f475abfab7
2026-08-26 06:31:01 -07:00
2026-07-10 14:55:33 -07:00
2026-08-14 16:52:55 -07:00
2026-07-10 17:39:16 -07:00
2026-08-13 11:33:45 +01:00
2026-01-27 16:15:17 -08:00
2026-06-02 10:59:29 -07:00

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:

WireGuard is a registered trademark of Jason A. Donenfeld.

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