The technique in which one host, usually a router, answers Address Resolution
Protocol (ARP) requests intended for another machine. By "faking" its identity,
the router accepts responsibility for routing packets to the "real" destination.
Proxy ARP allows a site to use a single IP address with two physical networks.
Subnetting would normally be a better solution.
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<networking> A computer and associated software which will pass on a
request for a URL from a World-Wide Web browser such as Mosaic to an outside
server and return the results. This provides clients that are sealed off from
the Internet a trusted agent that can access the Internet on their behalf. Once
the client is properly configured, its user should not be aware of the proxy
A proxy gateway often runs on a firewall machine. Its main purpose is to act as
a barrier to the threat of crackers. It may also be used to hide the IP
addresses of the computers inside the firewall from the Internet if they do not
use official registered network numbers.
Browsers such as Mosaic and Netscape can be configured to use a different proxy
or no proxy for each URL access method (or "scheme") - FTP, Gopher, WAIS, news,
Mosaic and proxy gateways.
Compare proxy server.
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proxy gateway » Proxy Server » proxy server » PS
<software, security> Microsoft's proxy server and proxy gateway, designed
to provide extensible firewall and network security. Proxy Server is part of
prowler « proxy ARP « proxy gateway « Proxy
Server » proxy server » PS » PS1
<programming, World-Wide Web> A process providing a cache of items
available on other servers which are presumably slower or more expensive to
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.
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