diff --git a/inventory/group_vars/all b/inventory/group_vars/all
index 2a6d461ccd..1de2bd0cd2 100644
--- a/inventory/group_vars/all
+++ b/inventory/group_vars/all
@@ -13,6 +13,9 @@ libdir: /usr/lib64
 # multiple lines can be handled as below
 # custom_rules: [ '-A INPUT -p tcp -m tcp --dport 8888 -j ACCEPT',
 #                  '-A INPUT -p tcp -m tcp --dport 8889 -j ACCEPT' ]
+# We default these to empty
+udp_ports: []
+tcp_ports: []
 
 
 # defaults for virt installs