reNixos/s0meMiniPC-nix/networking/interfaces.nix

{...}: {
    networking = {
        firewall = {
            interfaces = {
                wt0 = {
                    allowedUDPPorts = [
                        25
                        6969
                        8080
                        8443
                        53350
                        53351
                        53352
                    ];

                    allowedTCPPorts = [
                        25
                        6969
                        8080
                        8443
                        53350
                        53351
                        53352
                    ];
                };
            };
        };
    };
}