diff --git a/configuration.nix b/configuration.nix
index c229b2f..9524224 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -154,7 +154,7 @@
   # networking.firewall.allowedTCPPorts = [ ... ];
   # networking.firewall.allowedUDPPorts = [ ... ];
   # Or disable the firewall altogether.
-  # networking.firewall.enable = false;
+  networking.firewall.enable = true;
 
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions