Task: Disable / Turn off Linux Firewall (Red hat/CentOS/Fedora Core) 08 May 2011

Type the following two commands (you must login as the root user):
# /etc/init.d/iptables save
# /etc/init.d/iptables stop

Task: Enable / Turn on Linux Firewall (Red hat/CentOS/Fedora Core)

Type the following command to turn on iptables firewall:
# /etc/init.d/iptables start

          Have a fun......:-)