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DMZ
A De-Militarized Zone, DMZ, is a neutral zone inserted between the Internet and a local network. A Web server is often placed in a DMZ, as – in order to attract visitors – it may make sense to have less strict access procedures for the Web server than for the rest of the local network. Technically, the DMZ is a separate portion of the local network, to which non-authenticated access is permitted. The DMZ is usually open to all visitors from the Internet, but allows no connections to be made to the local network. Thus the security of the rest of the local network is not compromised. Internal users on the local network can, however, use the DMZ for initiating sessions on the Internet. In this respect, the DMZ acts not unlike a proxy server.
Related terms:
Internet, LAN, Network, Proxy server, Web server
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