diff --git a/hosts/cyper-pi-1/configuration.nix b/hosts/cyper-pi-1/configuration.nix
index 11d95e9..14becba 100644
--- a/hosts/cyper-pi-1/configuration.nix
+++ b/hosts/cyper-pi-1/configuration.nix
@@ -18,8 +18,10 @@
     #      }
     #    ];
 
-    #   firewall = {
-    #     enable = false;
-    #   };
+    firewall = {
+      enable = true;
+      allowPing = true;
+      allowedTCPPorts = [ 5432 ];
+    };
   };
 }