ConfigServer provides the free WHM plugin CSF, which allows you to modify your iptables rules within WHM. To install CSF, run the following commands as the root user: cd /usr/src rm -fv csf.tgz wget https://download.configserver.com/csf.tgz tar -xzf csf.tgz cd csf && ./install.sh To configure CSF, use WHM's ConfigServer & Firewall interface (Home >> Plugins >> ConfigServer & Firewall).
