To install ConfigServer Security & Firewall (CSF) in WHM, please run this commands in your SSH terminal one by one.

wget https://download.configserver.com/csf.tgz
tar -xzf csf.tgz
cd csf
sh install.sh

After it completes, there is a new menu in WHM which is under “Plugins” category, named “ConfigServer Security & Firewall”.

• Source : xrvel