Additional services, which cPanel usually provides, for your users (for example, blogs, message boards, and shopping carts).

An open-source Linux operating system distribution. CentOS is functionally compatible with the Red Hat® Enterprise Linux® operating system.

A technique that allows you or your users to automatically send visitors to a domain when they access another domain. For example, a user may reach example.com when they type example2.com.

A record that resides on your server and that contains your server’s hostname and IP address. The “A” entry is essential because it tells DNS servers the identity of your server, which allows visitors to find your server on the Internet.

Permissions that a server's owner grants to a reseller. You can define ACLs in the Edit Privileges section of WHM's Reseller Center interface (Home >> Resellers >> Reseller Center).

A record that allows you to access privatized information. For example, your cPanel account allows you to manage your website. In cPanel & WHM, other instances of the term “account” occur in email and FTP.

A rule that determines where to deliver email that was delivered to a domain's main email account and that meets certain criteria. 

The restriction of an account, usually due to nonpayment. Hosting providers can suspend accounts until they receive payment, and then unsuspend the account. Suspended accounts retain all of their data, but visitors cannot access their websites. For more information, read our What Happens When You Suspend an Account documentation.

An additional domain name that a cPanel account owns. The system stores each addon domain in its own directory, which website owners can configure. This allows website owners to manage multiple domains from a single cPanel account. You must register addon domains with a domain name registrar.

Amazon's Linux operating system distribution for Amazon Machine Instance (AMI) images. Amazon Linux is functionally compatible with the Red Hat® Enterprise Linux® operating system.