_: let dest_ip = "100.111.208.75"; dest_port = 25565; in { networking = { firewall = { enable = true; allowedTCPPorts = [ dest_port ]; }; nat = { enable = true; internalInterfaces = [ "tailscale0" ]; externalInterface = "eth0"; forwardPorts = [ { sourcePort = dest_port; proto = "tcp"; destination = "${dest_ip}:${toString dest_port}"; } ]; }; }; services = { tailscale = { useRoutingFeatures = "server"; extraUpFlags = [ "--stateful-filtering=false" ]; }; }; }