5.1. Loading up the rc.firewall ruleset

Step One: run the correct firewall for your machine via command "/etc/rc.d/rc.firewall-[iptables / ipchains /ipfwadm]". For example, Linux 2.6 users would run "/etc/rc.d/rc.firewall-iptables"

Does it load with some strange errors? Here are some exmaples and help to fix them: