diff --git a/nixos/systems/blowhole/firewall.nix b/nixos/systems/blowhole/firewall.nix
index 7984e73..07ff20a 100644
--- a/nixos/systems/blowhole/firewall.nix
+++ b/nixos/systems/blowhole/firewall.nix
@@ -49,6 +49,10 @@ in
       static."mullvad".stamp = "sdns://AgcAAAAAAAAAAAAPZG9oLm11bGx2YWQubmV0Ci9kbnMtcXVlcnk";
       static."meganerd".stamp = "sdns://AQcAAAAAAAAADjEzNi4yNDQuOTcuMTE0ICif6V9M6EF_9Xo_MHwkDN4ZJjERopSJN8hBuUWg9YeMJTIuZG5zY3J5cHQtY2VydC5jaGV3YmFjY2EubWVnYW5lcmQubmw";
       sources = {};
+
+      max_clients = 1024;
+
+      cache_size = 8192;
     };
   };