Technology / Email / Firewall: A program or set of programs designed to keep unauthorized users or messages from accessing a private network. The firewall usually has rules or protocols that authorize or prohibit outside users or messages. In email, a firewall can be designed so that messages from domains or users listed as suspect because of spamming, hacking or forging will not be delivered.


Business / Internet Marketing / Undernet: An alternative IRC which is accessed through a normal, or public, chat area. Its access is limited, and it is usually used for private conversations. But be warned: unless you are behind a sophisticat MORE


Technology / Computers / Intranet: A private network for communications and sharing of information that, like the Internet, is based on TCP/IP but is accessible only to authorized users within an organization. An organization’s intra MORE


Technology / Computers / Extranet: An extranet is similar to an intranet. They both use Internet protocols. The difference is that the extranet is designed to give a certain amount of access to outside users where an intranet is secure MORE