Word of the Week: Blacklist

Word of the Week: Blacklist

In Internet terminology, a generic name for a list of e-mail addresses or IP addresses that are originating with known spammers. Individuals and enterprises can use blacklists to filter out unwanted e-mails, as most e-mail applications today have filtering capabilities.

Also referred to as a blackhole list, the blacklist also can include ISPs that allow known spammers to use their services. Compare with RBL, a blackhole list maintained by MAPS LLC.

– definition from Webopedia

Word of the Week: Whitelist

Word of the Week: Whitelist

In Internet terminology, a generic name for a list of e-mail addresses or IP addresses that are considered to be spam free. Whitelists are used frequently with e-mail applications to allow users to compile lists of senders they wish to receive e-mail from. This list overrides any blacklists and spam filters, and allows the e-mails to be delivered to the users inbox instead of filtered out as spam.

– definition from Webopedia

Word of the Week: Intranet

Word of the Week: Intranet

An intranet is a private network based on TCP/IP protocols, belonging to an organization, usually a corporation, accessible only by the organization’s members, employees, or others with authorization. An intranet’s websites and software applications look and act just like any others, but the firewall surrounding an intranet fends off unauthorized access and use.

– definition from Webopedia

Word of the Week: Extranet

Word of the Week: Extranet

A buzzword that refers to an intranet that is partially accessible to authorized outsiders. Whereas an intranet resides behind a firewall and is accessible only to people who are members of the same company or organization, an extranet provides various levels of accessibility to outsiders. You can access an extranet only if you have a valid username and password, and your identity determines which parts of the extranet you can view.

Extranets are becoming a very popular means for business partners to exchange information.

– definition from Webopedia

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