49 lines
1.7 KiB
Nix
49 lines
1.7 KiB
Nix
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{ pkgs, config, ... }:
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{
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networking.nat.enable = true;
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networking.nat.externalInterface = "ens3";
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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 arbitrarily.
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wg0 = {
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# Determines the IP address and subnet of the server's end of the tunnel 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 hence be like a VPN
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# For this to work you have to set the dnsserver IP of your router (or dnsserver of choice) in your clients
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postSetup = ''
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${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o ens3 -j MASQUERADE
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'';
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# This undoes the above command
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postShutdown = ''
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${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.100.0.0/24 -o ens3 -j MASQUERADE
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'';
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# Path to the private key file.
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#
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# Note: The private key can also be included inline via the privateKey option,
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# but this makes the private key world-readable; thus, using privateKeyFile is
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# recommended.
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privateKeyFile = builtins.toString config.secrets.files.wg_key.file;
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peers = [
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# List of allowed peers.
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{ # Feel free to give a meaning full name
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# Public key of the peer (not a file path).
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publicKey = "5u3lMMKcFWohjs0jomG/86MffY8l4E6jbqjJzdyy6ik=";
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# List of IPs assigned to this peer within the tunnel subnet. Used to configure routing.
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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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}
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