Install CSF firewall on Cpanel server

Follow the steps below

SSH server

wget http://www.configserver.com/free/csf.tgz

tar -xzf csf.tgz

cd csf

sh install.sh

We are done with the installation now make sure that CSF doesn't remain in Test mode.
Edit the configuration

• vi /etc/csf/csf.conf

Edit the value from: TESTING = "1" to => TESTING = "0" Restart the service
/etc/init.d/csf restart