diff --git a/modules/machine/valefor/configuration.nix b/modules/machine/valefor/configuration.nix
index 8a19ce8..709e4a2 100644
--- a/modules/machine/valefor/configuration.nix
+++ b/modules/machine/valefor/configuration.nix
@@ -87,7 +87,12 @@
 
   # Core networking module (see ../../networking/core.nix)
   network = {
-    firewall.enable = true;
+    firewall = {
+      enable = true;
+      tcpPorts = {
+        allowedPorts = [8123];
+      };
+    };
     networkManager.enable = true;
   };