Installation

AlmaLinux 9 , Rocky Linux 9 and Ubuntu 22.04 are now supported !

Supported OS for cPanel license
all CentOS versions	all CloudLinux versions	EL** 8/AlmaLinux 8/RockyLinux 8	EL** 9/AlmaLinux 9/RockyLinux 9	Ubuntu 20.04	Ubuntu 22.04

Supported OS for other licenses
Ubuntu: 18.04 or higher	CloudLinux any version	Centos 6 or higher	Debian: 9 or higher	FreeBSD: 12.04 or higher	EL** 8/AlmaLinux 8/RockyLinux 8	EL** 9/AlmaLinux 9/RockyLinux 9

Login to cPanel and WHM safely

Make sure to login to cPanel and WHM with a valid SSL installed domain name or host name. never login with IP address. for example if your domain name is example.com always login to cPanel with :

https://example.com:2083

and for WHM :

https://example.com:2087

To login without SSL (Not recommeded) you can use :

cPanel :

http://example.com:2082

WHM :

http://example.com:2086

Port number	SSL	non-SSL
2083	YES	NO
2082	NO	YES
2087	YES	NO
2086	NO	YES

Another way to login to cPanel is to use auto cPanel login tool.

To access cPanel with your domain name (as example.com) :

https://example.com/cpanel

for WHM :

https://example.com/whm

Firewall :

You can install CSF firewall to protect your network, Installation commands :

				
					cd /usr/src

				
					rm -fv csf.tgz

				
					wget https://download.configserver.com/csf.tgz

				
					tar -xzf csf.tgz

				
					cd csf

				
					sh install.sh

To test CSF required modules :

				
					perl /usr/local/csf/bin/csftest.pl

Don’t worry if you cannot run all the features, so long as the script doesn’t report any FATAL errors

Full installation manual : https://www.configserver.com/cp/csf.html

Secure SSH :

Try not to use port 22 for SSH login. change it from /etc/ssh/sshd_config file to another number for example : 1527 and save it. Open the port number in your firewall rules and run :