{ pkgs, config, ... }: { networking.firewall.trustedInterfaces = [ "wg0" ]; networking.firewall.allowedUDPPorts = [ 51820 ]; sops.secrets.wireguard_private = { }; boot.kernel.sysctl."net.ipv4.ip_forward" = true; # Enable WireGuard networking.wg-quick.interfaces = { # Hub and Spoke Setup # https://www.procustodibus.com/blog/2020/11/wireguard-hub-and-spoke-config/ wg0 = { address = [ "10.100.0.1/32" ]; listenPort = 51820; # to match firewall allowedUDPPorts (without this wg uses random port numbers) privateKeyFile = config.sops.secrets.wireguard_private.path; mtu = 1280; postUp = '' ${pkgs.iptables}/bin/iptables -A FORWARD -i wg0 -j ACCEPT ''; postDown = '' ${pkgs.iptables}/bin/iptables -D FORWARD -i wg0 -j ACCEPT ''; # clients peers = [ { # chungus publicKey = "wb54y/fG8ocSH9QrDmfajez/fUcJBZK369xLu37XBHk="; allowedIPs = [ "10.100.0.2/32" ]; } { # sterni publicKey = "SdMRgC5IM7dywzZxLAHm45cpj9J3IENTMClZm1BxbV4="; allowedIPs = [ "10.100.0.3/32" ]; } { # iphone publicKey = "XPVzH+wBLsqukTHHjngkGJhYN0nRdQ7esadiimMJQnI="; allowedIPs = [ "10.100.0.4/32" ]; } { # tina publicKey = "RZsuQfWfAQLMm45ZiuNLBwcpL+GEbPYTRTrASFzMCFQ="; allowedIPs = [ "10.100.0.5/32" ]; } { # cream publicKey = "R1Vk1DDG/LsVU0HHRDmOJshXOVnNzPVbuv5hP7ZSGEQ="; allowedIPs = [ "10.100.0.6/32" ]; } ]; }; }; }