{ ... }: { networking = { networkmanager.enable = true; nftables.enable = true; firewall = { enable = true; allowedTCPPorts = [ 22 25 53 80 143 443 465 587 993 3389 6636 25565 27015 ]; allowedUDPPorts = [ 53 80 443 3389 6636 34197 ]; }; }; }