(In reply to Ludwig Nussel from comment #3) > expected behavior. Can you please in detail describe what is "expected behaviour"? > Question is what YaST does? I suppose it will tell you > that it can only configure firewalld but sfw2 is in use? like it does for NM > vs Wicked? No, it does not. Please see what I wrote in comment 0 what it tells you: "in ncurses only outputs an error message that firewall-config would need to be used or firewall-cmd". In GUI it will either block for indefinite time or tell that firewalld is not running. So nothing about sfw2.