proxy server

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proxy server

Computing a computer that acts as an intermediary between a client machine and a server, caching information to save access time

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

proxy server

[′präk·sē ‚sər·vər]

(computer science)

Software for caching and filtering Web content to reduce network traffic on intranets, and for increasing security by filtering content and restricting access.

Proxy Server

(software, security)

Microsoft's proxy server and proxy gateway, designed to provide extensible firewall and network security. Proxy Server is part of BackOffice.

proxy server

(programming, World-Wide Web)

A process providing a cache of items available on other servers which are presumably slower or more expensive to access.

This term is used particularly for a World-Wide Web server which accepts URLs with a special prefix. When it receives a request for such a URL, it strips off the prefix and looks for the resulting URL in its local cache. If found, it returns the document immediately, otherwise it fetches it from the remote server, saves a copy in the cache and returns it to the requester. The cache will usually have an expiry algorithm which flushes documents according to their age, size and access history.

Compare proxy gateway.

This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

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