CPanel is a management software web hosting with web interface on TCP port 2082 or TCP port 2083 when in safe mode (default ports).
Lets you create e-mail accounts, FTP (File Transfer Protocol), manage files, assign protections directory, add cron jobs, redirect e-mails, among other functions (complete list: http://www.cpanel.net/docs/cpanel/)
Includes module WHM (Web Host Manager) to customer retention, and the installation of HTTP, SMTP, and other services for web hosting, which runs on TCP port 2086 or TCP port 2087 when in safe mode (default ports).
The web management software now in version 11, which brings several enhancements, such as a new skin, the x3, and has several functions, such as a new file manager and web navigation menus on ajax.
Bluehost cPanel screenshot:
