I realize that it's usually recommended that both aren't installed, so of course I did it anyway. My question is, will I mess up ISPConfig if I use the Linux Firewall setup section in Webmin? I'm occasionally getting attacks that don't do any damage, but I would like an easy and quick way to block IP address when needed. The latest was coming from 18.104.22.168 somewhere in China. They were trying to get in through pop3d.