wireguard proxy container :3

configs/services/wireguard.nix

@@ -0,0 +1,42 @@
+{ lib, pkgs, config, ... }:
+let wg_port = 51820;
+in {
+  boot.kernel.sysctl = {
+    "net.ipv4.ip_forward" = lib.mkDefault true;
+    "net.ipv6.conf.all.forwarding" = lib.mkDefault true;
+  };
+  networking = {
+    firewall.allowedUDPPorts = [ wg_port ];
+    firewall.rejectPackets = true;
+    firewall.trustedInterfaces = [ "wgbr" "wg0" ];
+
+    wg-quick.interfaces = {
+      wg0 = {
+        # Determines the IP address and subnet of the client's end of the tunnel interface.
+        address = [ "10.8.1.1/16" ];
+        listenPort = wg_port; # to match firewall allowedUDPPorts (without this wg uses random port numbers)
+
+        # Path to the private key file.
+        privateKeyFile = "/root/privkey";
+
+        peers = [
+          # For a client configuration, one peer entry for the server will suffice.
+
+          {
+            # Public key of the server (not a file path).
+            publicKey = "AJ1nr0/w8OvsNq5Ju//m4856u7yY0hlPGMEGeZtlhlY=";
+
+            # Forward all the traffic via VPN.
+            allowedIPs = [ "10.8.0.0/24" ];
+
+            # Set this to the server IP and port.
+            endpoint = "202.61.230.52:51820";
+
+            # Send keepalives every 25 seconds. Important to keep NAT tables alive.
+            persistentKeepalive = 25;
+          }
+        ];
+      };
+    };
+  };
+}