modules/system/tailscale.nix


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{
  flake.modules.nixos.tailscale = { config, ... }: {
    services.tailscale.enable = true;
    networking.nftables.enable = true;
    networking.firewall = {
      enable = true;
      trustedInterfaces = [ config.services.tailscale.interfaceName ];
      allowedUDPPorts = [ config.services.tailscale.port ];
    };
    systemd.services.tailscaled.serviceConfig.Environment = [
      "TS_DEBUG_FIREWALL_MODE=nftables"
    ];
  };
}