Articles

 .crt File

An SSL certificate, an electronic document which ties a public key to a trusted entity. This...

 .htaccess

A file that resides in a specific directory, and contains configuration information applying to...

 A (“A” Address) Entry

...

 AWStats (Advanced Web Statistics)

A program that provides information about the visitors of a website. This information is...

 Account

Account: A record for accessing privatized information. For example, your cPanel account lets...

 Account-Level Filter

Account-Level Filter: A rule that determines where email, delivered to a domain's main email...

 Addon Domain

Addon Domain: An additional domain name associated with a cPanel account. Each addon domain is...

 Authentication

A process for confirming the identity of someone with whom the server will share sensitive...

 Auto Responder

Auto responders allow you to automate replies to incoming email. In cPanel, this feature can be...

 Backup

...

 Bandwidth

The amount of data transferred to and from a server. Every time a visitor views a file (whether...

 Bandwidth Limit

A limit imposed on the amount of data an account is allowed to transfer per month.

 Banners

Images which appear on a website, often as advertisements at the top or bottom of a page. Often,...

 Blackhole

An option for handling mail received by the default or catch-all email addresses of cPanel...

 Bounce Message

An email reply informing a sender that there was a problem delivering an email.

 BoxTrapper

An application included with cPanel that filters spam by requiring would-be senders to reply to...

 BoxTrapper Blacklist

A list of email addresses from which incoming mail will be automatically blocked by the...

 BoxTrapper Ignore List

A list of email addresses from which incoming mail will be blocked. cPanel does not send a...

 BoxTrapper Whitelist

A list of email addresses from which incoming mail will automatically be accepted by the...

 Brute Force (Attack)

A type of attack wherein the attacker enters a large number of combinations of characters, in an...

 CPU Load

The amount of processing ability currently being consumed by programs on your server, measured in...

 CSR (Certificate Signing Request)

A request, which you send to a certificate authority, for an identity certificate. cPanel can...

 CSS (Cascading Style Sheets)

A style sheet programming language that describes how a document, often written for the web in...

 Catch-All Address

The email address to which cPanel routes any email message sent to email accounts which do not...

 Certificate (Public Key Certificate)

An electronic document that states the identity of a server so that the end user knows that he...

 Certificate Authority

An entity that issues digital certificates for server verification.

 Client

Any application that accesses a service on another computer. Web browsers such as Internet...

 Cron Job

A command on a server, executed at regular intervals. These commands are stored in a Unix...

 DHA (Directory Harvest Attack)

A technique employed by spammers whereby they attempt to find valid email addresses through...

 DNS (Domain Name System)

...

 Default Address

The email address to which cPanel routes any email message sent to email accounts which do not...

 Deprecated

A term used to describe a feature which is no longer supported.

 Dictionary Attack

A method whereby a malicious user tries to guess a password using words found in a dictionary....

 Directory (Folder)

A repository for files, analogous to a file folder on a personal computer. In website...

 Disk Space Quota

A limit placed on the amount of disk space an account is allowed to use.

 Domain

...

 Domain Forwarding

A technique that allows you or your users to automatically send visitors to a domain when they...

 FQDN (Fully Qualified Domain Name)

...

 FTP (File Transfer Protocol)

A method of transferring files from one computer to another. cPanel & WHM comes equipped...

 Filter

In cPanel, a tool that processes mail according to your preferences. For example, a filter can...

 Forwarder

A tool that lets you forward a copy of every email message you receive to another address. When...

 FrontPage®

...

 HTML (Hypertext Markup Language)

The language in which most pages on the World Wide Web are written.

 HTTP (Hyptertext Transfer Protocol)

The method (protocol) for transferring data over the Internet.

 Home Directory

...

 Horde Webmail

A webmail client that is included with CPanel. A webmail client allows users to check email...

 Hostname

The unique, human recognizable name by which a server will be known across the Internet. For...

 HotLink

...

 IMAP (Internet Message Access Protocol)

Along with POP3, one of the two most widely used email transfer methods. IMAP synchronizes email...

 IP (Internet Protocol) Address

A number that identifies a computer on a network, making it possible for other computers to find...

 Index Page

The page, most often titled index.html, index.htm or index.php, viewed by default when a visitor...

 Interchange

A full-featured e-commerce application server that will allow you to conduct business online,...

 Key

In cryptography, a key is used to encrypt or decrypt information. Keys are an important part of...

 Leech

...

 Log

A file, automatically created by the server, that records activities performed by specific...

 MX (Mail eXchanger) Entry

...

 Mailing List

A list of email addresses which list members can use to communicate. Alternatively, such a list...

 Mailman

Mailing list software that sends email messages to a group of specified email addresses.

 MySQL

A relational database management tool and server, as well as the type of database it manages....

 PHP

A computer scripting language in which many web-based applications are written. PHP applications...

 POP before SMTP

An authentication method for mail servers that will allow a user who has received mail via POP3...

 POP3 (Post Office Protocol version 3)

Along with IMAP, one of the two most widely used email transfer methods. POP3 simply copies...

 Parked Domain

A second domain that points to a primary domain. When users attempt to access the parked domain,...

 PostgreSQL

A database management system, much like MySQL.

 Private Key

A string of characters that a computer uses to encode or decode encrypted messages it receives....

 Propagation

The spread of a website’s DNS information across the Internet.

 Public Key

A string of characters that a computer uses to encode or decode encrypted messages it receives....

 RBL (Realtime Blackhole List)

 Redirect

A feature that sends users to a different domain than the one they were trying to access. For...

 Referer

...

 RoundCube Webmail

A webmail client that allows users to check email through an Internet browser rather than an...

 SMTP (Simple Mail Transfer Protocol)

This protocol is the standard for transmitting email messages across the Internet. It is namely...

 SPF (Sender Policy Framework)

A feature that allows a recipient server to verify that an email message has really been sent...

 SQL Database

A type of relational database management system. WHM is compatible with both MySQL and PostgreSQL.

 SSL (Secure Sockets Layer)/TLS (Transport Layer Security)

TLS is simply the more recent version of SSL. Both are cryptographic schemes that allow for...

 SSL Certificate

An electronic document (using the filename extension .crt) which binds a public key to an...

 Shopping Cart

A piece of software used on web servers during e-commerce. A shopping cart allows the shopper to...

 Spam

Chiefly, unsolicited email sent in bulk, usually by an automated system. As spam is considered a...

 SpamAssassin

An application which can filter suspected spam. Spamassassin can be configured to filter spam...

 Spoof

An attack wherein the attacker conceals his identity by appearing as another user through the...

 SquirrelMail Webmail

A webmail client that allows a user to check his or her email through an Internet browser.

 Subdomain

A subsection of a website that exists as a subdirectory in the website owner's home folder. If...

 Thumbnail

A version of an image file that is reduced in size, allowing for easy viewing of multiple images.

 Thumbnailer

A cPanel tool that automatically sizes down all the images in a directory. The new thumbnails...

 Time to Live

Often abbreviated as TTL, it specifies how long a particular record should be kept in memory...

 Tooltip

A small box of information that will hover above an icon when the cursor points at it.

 Trojan Horse

Also known simply as a trojan, a piece of software that claims to perform one function but...

 URI (Universal Resource Identifier)

On the web, a URI is a string of characters that identifies a website. URI is often used...

 URL (Universal Resource Locator)

On the web, a URL is a string of characters that identifies the location of a website. Since IP...

 Visitor

A person who views your website.

 Web Browser

An application used to view and interact with sites and pages on the World Wide Web. Examples...

 Web Hosting Glossary

The following is a glossary of popular words associated with web hosting. ActiveXA loosely...

 Web Root

The top-most directory of your website (namely, public_html or www), inside which all of the...

 Web Server

A program, such as Apache, which receives requests from clients (web browsers), retrieves the...

 Webmail

Any application which allows website owners to access email through a web browser. The main...

 phpMyAdmin

A graphical application that allows server administrators to manipulate and manage MySQL...

 public_ftp

A subdirectory, located inside your home directory, that contains files that are publicly...

 public_html

A subdirectory, located inside the home directory, that contains files that are publicly...