diff --git a/group_vars/all.yml b/group_vars/all.yml
index 4c19f34..ca0e745 100644
--- a/group_vars/all.yml
+++ b/group_vars/all.yml
@@ -10,4 +10,6 @@ users:
   - username: root
     oh_my_zsh:
       theme: robbyrussell
-
+custom_firewall_ports:
+  - 9100  # node exporter
+  - 9191  # fail2ban exporter