diff --git a/host_vars/rnt-cad-cluster-control/firewalld.yml b/host_vars/rnt-cad-cluster-control/firewalld.yml
index 50074a4..b603f7a 100644
--- a/host_vars/rnt-cad-cluster-control/firewalld.yml
+++ b/host_vars/rnt-cad-cluster-control/firewalld.yml
@@ -6,6 +6,8 @@ firewalld_add:
     services:
       - http
       - https
+    ports:
+      - 6443/tcp
 
   - name: trusted
     sources: