diff --git a/hosts/chocolatebar/factorio/default.nix b/hosts/chocolatebar/factorio/default.nix
index 4c818bec..d470d152 100644
--- a/hosts/chocolatebar/factorio/default.nix
+++ b/hosts/chocolatebar/factorio/default.nix
@@ -22,6 +22,7 @@ in
       enable = true;
       port = 34197; # The default, but make it explicit
       lan = true;
+      game-password = "pls-dont-grief";
       admins = [
         "doubtwriter"
         "kattykat"
@@ -30,9 +31,13 @@ in
       autosave-interval = 3;
       game-name = "Babes plays v2";
       requireUserVerification = false;
+      bind = "::";
       mods = [
         far-reach
       ];
     };
+
+    networking.firewall.allowedUDPPorts = [ 34197 ];
+    networking.firewall.allowedTCPPorts = [ 34197 ];
   };
 }