How to: Automatic connect-back
The rssh client allows you to bake in a connect back address.
By default the `link` command will bake in the servers external address.

If you're (for some reason) manually building the binary, you can specify the environment variable `RSSH_HOMESERVER` to bake it into the client:

```sh
$ RSSH_HOMESERVER=your.rssh.server.internal:3232 make