FirewallD

Firewalld Rich Rule

To add a so called rich rule to firewalld I did the following. Check existing rules after a recent upgrade to Fedora 22. 55555/tcp was a custom app not Fedora default. Lets remove some rules. Add custom rule non-permanent. ** Note x.x.x.x is a placeholder for a real public IP.…

FirewallD on Fedora

Somewhere between Fedora 18 and 20 the default firewall switched to FirewallD. ¬†FirewallD is a replacement to the default iptables firewall. ¬†Lots more detail at the links referenced below but in my mind the big advantages are zones and the fact that changes can be made to the running firewall…