42 lines
1.4 KiB
Nix
42 lines
1.4 KiB
Nix
{ pkgs, ... }:
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{
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# enable NAT
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networking.nat.enable = true;
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networking.nat.externalInterface = "eth0";
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networking.nat.internalInterfaces = [ "wg0" ];
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networking.firewall = {
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allowedUDPPorts = [ 51820 ];
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};
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networking.wireguard.interfaces = {
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# "wg0" is the network interface name. You can name the interface
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# arbitrarily.}
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wg0 = {
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privateKeyFile = "/home/grimmauld/wireguard.priv";
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# Determines the IP address and subnet of the server's end of the tunnel
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# interface.
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ips = [ "10.100.0.1/24" ];
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# The port that WireGuard listens to. Must be accessible by the client.
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listenPort = 51820;
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# This allows the wireguard server to route your traffic to the internet and
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# hence be like a VPN For this to work you have to set the dnsserver IP of
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# your router (or dnsserver of choice) in your clients
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postSetup = ''
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${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o ens18 -j MASQUERADE
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'';
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# This undoes the above command
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postShutdown = ''
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${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.100.0.0/24 -o ens18 -j MASQUERADE
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'';
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generatePrivateKeyFile = true;
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peers = [
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{
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publicKey = "2aANdnPYtf78iXfwNVAtYjIlE5k/yDWvbdXZ2jw0hXk=";
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allowedIPs = [ "10.100.0.2/32" ];
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}
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];
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};
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};
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environment.systemPackages = with pkgs; [ wireguard-tools ];
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}
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