[opensuse-support] New firewall in Leap 15 blocks NFS server

How do I open the correct ports in the new firewall program to allow NFS clients in my LAN to connect to my NFS server? Bob -- Bob Williams System: Linux 4.12.14-lp150.12.4-default Distro: Desktop: KDE Frameworks: 5.45.0, Qt: 5.9.4 and Plasma: 5.12.5