document running exit nodes

Currently the only kind-of documentation is #210 which is outdated. To remedy
this, add a document describing the process.
This commit is contained in:
Moritz Poldrack 2023-03-15 19:17:55 +01:00 committed by Juan Font
parent 003036a779
commit d12f247490

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# Exit Nodes
## On the node
Register the node and make it advertise itself as an exit node:
```console
$ sudo tailscale up --login-server https://my-server.com --advertise-exit-node
```
If the node is already registered, it can advertise exit capabilities like this:
```console
$ sudo tailscale set --advertise-exit-node
```
## On the control server
```console
$ # list nodes
$ headscale routes list
ID | Machine | Prefix | Advertised | Enabled | Primary
1 | | 0.0.0.0/0 | false | false | -
2 | | ::/0 | false | false | -
3 | phobos | 0.0.0.0/0 | true | false | -
4 | phobos | ::/0 | true | false | -
$ # enable routes for phobos
$ headscale routes enable -r 3
$ headscale routes enable -r 4
$ # Check node list again. The routes are now enabled.
$ headscale routes list
ID | Machine | Prefix | Advertised | Enabled | Primary
1 | | 0.0.0.0/0 | false | false | -
2 | | ::/0 | false | false | -
3 | phobos | 0.0.0.0/0 | true | true | -
4 | phobos | ::/0 | true | true | -
```
## On the client
The exit node can now be used with:
```console
$ sudo tailscale set --exit-node phobos
```
Check the official [Tailscale documentation](https://tailscale.com/kb/1103/exit-nodes/?q=exit#step-3-use-the-exit-node) for how to do it on your device.