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