{ config, pkgs, lib, ... }: let cfg = config.networking.wireguard.interfaces."wg0"; in { networking = { nat = { enable = true; externalInterface = "enp3s0"; internalInterfaces = [ "wg0" ]; }; firewall.allowedUDPPorts = [ cfg.listenPort ]; wireguard.interfaces."wg0" = { ips = [ "10.100.0.1/24" ]; listenPort = 51820; privateKeyFile = "/etc/wireguard/defiant.private"; postSetup = '' ${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -d 192.168.10.0/24 -o eth0 -j MASQUERADE ''; postShutdown = '' ${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.100.0.0/24 -d 192.168.10.0/24 -o eth0 -j MASQUERADE ''; peers = [ { # Burnham publicKey = "JcfyrMoZmnbibVLaIKuGSARAX2alFv4kwLbJaLBNbzo="; persistentKeepalive = 60; allowedIPs = [ "10.100.0.2/32" "192.168.11.0/24" ]; } { # Sulu publicKey = "j6YVekgGS4nhL5zUiOTeK2BVQkYGlTQaiUpwcqQyfRk="; allowedIPs = [ "10.100.0.3/32" ]; } ]; }; }; }