(In reply to Ferdinando Vivacqua from comment #26) > It doesn't work for me. > I fixed with iptables -A OUTPUT -p tcp --destination-port 8008 -j DROP > iptables -A OUTPUT -p tcp --destination-port 8009 -j DROP It does and it's the right way to manage rules in the default settings. It's just that you have not reloaded firewalld (or rebooted). You should have searched a bit because it's not a help forum.