start linux firewall HowTo - Linux / Unix Q & A from nixCraft

Start Iptables Under Linux

last updated January 15, 2014 in CentOS, Iptables, Linux, RedHat and Friends, Troubleshooting

How do I start Iptables firewall under RHEL / Red Hat / CentOS / Fedora Linux from a shell prompt? How do I stop firewall? How do I start or restart firewall on a bash shell?