[ovirt-users] NFS firewall rule

How do I make it that when ever I add or reinstall a hardware node that oVirt creates a rule for NFS, port 2049? I have to either add it manually after ovirt removes it, or just tell ovirt not to touch firewall rules. Our ISO domain is not hosted by the ovirt-engine, fyi. ovirt-engine-3.6.3.4-1.el7.centos.noarch