The following are some of the port numbers commonly used by cpanel.
Port 2082 -> Cpanel default port
Port 2083 -> Cpanel over SSL
Port2086 -> Cpanel Webhost Manager (default)
Port 2087 -> Cpanel Webhost Manager (with https)
Port 2095 -> Cpanel Webmail
Port 2096 -> Cpanel secure webmail over SSL
The following additional ports should also be kept open.
Port 80 > Apache HTTP web server
Port 21 > FTP
Port 22 > SSH
Port 25 > SMTP
Port 110 > POP3
Port 53 > DNS server
Installing cPanel / WHM
To begin your installation, use the following commands:
1. cd /home — Opens the directory /home.
2. wget http://layer1.cpanel.net/latest — Fetches the latest installation file from the cPanel servers.
3. sh latest — Opens and runs the installation files.
4. /usr/local/cpanel/cpKeyclt — Activates your license after installation.