diff --git a/cluster/prod/cluster.nix b/cluster/prod/cluster.nix
index ab70c77..5a717df 100644
--- a/cluster/prod/cluster.nix
+++ b/cluster/prod/cluster.nix
@@ -55,4 +55,10 @@
       "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDIDdVbA9fEdqSr5UJ77NnoIqDTVp8ca5kHExhZYI4ecBExFJfonJllXMBN9KdC4ukxtY8Ug47PcMOfMaTBZQc+e+KpvDWpkBt15Xpem3RCxmMBES79sLL7LgtAdBXc5mNaCX8EOEVixWKdarjvxRyf6py6the51G5muaiMpoj5fae4ZpRGjhGTPefzc7y7zRWBUUZ8pYHW774BIaK6XT9gn3hyHV+Occjl/UODXvodktk55YtnuPi8adXTYEsHrVVz8AkFhx+cr0U/U8vtQnsTrZG+JmgQLqpXVs0RDw5bE1RefEbMuYNKxutYKUe3L+ZJtDe0M0MqOFI8a4F5TxP5 katchup@konata"
     ];
   };
+
+  # For Garage external communication
+  networking.firewall.allowedTCPPorts = [ 3901 ];
+
+  # Enable netdata monitoring
+  services.netdata.enable = true;
 }