Files
nixconf/wireguard.nix
T
2026-01-25 16:54:02 +01:00

32 lines
1.1 KiB
Nix

{ config, lib, pkgs, ... }: {
networking.nat.enable = true;
networking.nat.externalInterface = (lib.head config.vars.interfaces).name;
networking.nat.internalInterfaces = [ "wg0" ] ++ (map (i: i.name) config.vars.interfaces);
networking.wg-quick.interfaces = {
wg0 = {
address = [config.vars.wg_adress];
mtu = 1400;
autostart = true;
postUp = ''
${pkgs.procps}/bin/sysctl -w net.ipv4.conf.wg0.rp_filter=2
${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -o wg0 -d ${config.vars.wg_range} -j SNAT --to-source ${config.vars.wg_local_ip}
'';
postDown = ''
${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -o wg0 -d ${config.vars.wg_range} -j SNAT --to-source ${config.vars.wg_local_ip}
'';
privateKey = config.vars.wg_privateKey;
peers = [{
publicKey = config.vars.wg_publicKey;
presharedKey = config.vars.wg_presharedKey;
allowedIPs = [ config.vars.wg_range ];
endpoint = config.vars.wg_endpoint;
persistentKeepalive = 25;
}];
};
};
environment.systemPackages = [ pkgs.wireguard-tools ];
}