diff --git a/overcloud.yaml b/overcloud.yaml
index d8955b9ed8..60424885b8 100644
--- a/overcloud.yaml
+++ b/overcloud.yaml
@@ -411,7 +411,7 @@ parameters:
     description: Template string to be used to generate instance names
     type: string
   ManageFirewall:
-    default: false
+    default: true
     description: Whether to manage IPtables rules.
     type: boolean
   PurgeFirewallRules: