diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 6856b0f..6d25ca0 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -241,8 +241,8 @@
   services.openssh.enable = true;
 
   # Open ports in the firewall.
-  # networking.firewall.allowedTCPPorts = [ ... ];
-  # networking.firewall.allowedUDPPorts = [ ... ];
+  networking.firewall.allowedTCPPorts = [ 80 443 ];
+  networking.firewall.allowedUDPPorts = [ 80 443 ];
   # Or disable the firewall altogether.
   # networking.firewall.enable = false;