Test nat port forward

dev_system.nix

@@ -38,10 +38,23 @@ in
     };
   };
 
-  networking.firewall = {
+  networking = {
-    allowedTCPPortRanges = [
+    firewall = {
-      { from = 8000; to = 8020; }
+      allowedTCPPortRanges = [
-    ];
+        { from = 8000; to = 8020; }
+      ];
+    };
+
+    nat = {
+      enable = true;
+      forwardPorts = [
+        {
+          destination = "localhost:8001";
+          proto = "tcp";
+          sourcePort = 8001;
+        }
+      ];
+    }
   };
 
   services = {