{
  services.tailscale.enable = true;
  _.persist.directories = ["/var/lib/tailscale"];
}
nixos

I to use exit nodes in my tailnet. By default NixOS’s reverse path filtering is too strict. Fortunately there is an option to loosen it up:

{
  services.tailscale.useRoutingFeatures = "client";
}
nixos
{
  services.trayscale.enable = true;
}
home-manager