{config, ...}: { services.tailscale = { enable = true; openFirewall = true; }; networking.firewall = { trustedInterfaces = [ config.services.tailscale.interfaceName ]; # Required to connect to Tailscale exit nodes checkReversePath = "loose"; interfaces.${config.services.tailscale.interfaceName} = { allowedTCPPorts = [4000]; }; }; }