How to edit iptables rules     In this how-to, we will illustrate three ways to edit iptables Rules : CLI : iptables command line interface and system configuration file /etc/sysconfig/iptables. TUI (text-based) interface : setup or system-config-firewall-tui GUI : system-config-firewall NOTE: This how-to illustrates editing existing iptables Rules, not the initial creation of Rules chains. Contents  [hide]  1 CLI (command line interface) […]