text yast firewall config

Yes, there’s been a move to using firewalld as SuSEfirewall2 has been deprecated. However, it’s still available if desired.
https://en.opensuse.org/Firewalld

systemctl enable firewalld
systemctl start firewalld

then either use the graphical UI (firewall-config) via YaST, or the CLI tool ‘firewall-cmd’.

A graphical guide…

The man pages

man firewalld
man firewall-config
man firewall-cmd