diff --git a/quinn/etc/nixos/configuration.nix b/quinn/etc/nixos/configuration.nix
index b0ea132..48bde86 100644
--- a/quinn/etc/nixos/configuration.nix
+++ b/quinn/etc/nixos/configuration.nix
@@ -181,10 +181,14 @@
   #services.unifi.unifiPackage = pkgs.unifi8;
 
   # Open ports in the firewall.
-  # networking.firewall.allowedTCPPorts = [ ... ];
-  # networking.firewall.allowedUDPPorts = [ ... ];
-  # Or disable the firewall altogether.
-  # networking.firewall.enable = false;
+  networking.firewall = {
+    enable = true;
+    allowedTCPPorts = [ 80 443 ];
+    allowedUDPPortRanges = [
+      #{ from = 4000; to = 4007; }
+      #{ from = 8000; to = 8010; }
+    ];
+  };
 
   # Copy the NixOS configuration file and link it from the resulting system
   # (/run/current-system/configuration.nix). This is useful in case you