This is required to stop iptables without the entire system getting hanged on “unloading iptables modules” ON SOME MACHINES.
/etc/sysconfig/iptables-config => IPTABLES_MODULES_UNLOAD=”no”
Further info: http://forums.fedoraforum.org/showthread.php?t=44196
This is required when you get a “Firewall is stopped” and a simple restart doesn’t cut it.
service iptables save
service iptables restart
Further info: https://www.linuxquestions.org/questions/red-hat-31/iptables-is-stopped-513966/