znc from openSUSE:Backports:SLE-15-SP2 project

Select Your Operating System

For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Backports:SLE-15-SP2/standard/openSUSE:Backports:SLE-15-SP2.repo
zypper refresh
zypper install znc