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spoofing

   Also found in: Dictionary/thesaurus, Financial, Wikipedia 0.02 sec.

spoofing

(1) Faking the sending address of a transmission in order to gain illegal entry into a secure system. See e-mail spoofing.

(2) Creating fake responses or signals in order to keep a session active and prevent timeouts. For example, mainframes continuously poll their terminals. If the lines to remote terminals are temporarily suspended because there is no traffic, a local device spoofs the host with "I'm still here" responses. See how to spoof your technical friend.

spoofing - A technique used to reduce network overhead, especially in wide area networks (WAN).

Some network protocols send frequent packets for management purposes. These can be routing updates or keep-alive messages. In a WAN this can introduce significant overhead, due to the typically smaller bandwidth of WAN connections.

Spoofing reduces the required bandwidth by having devices, such as bridges or routers, answer for the remote devices. This fools (spoofs) the LAN device into thinking the remote LAN is still connected, even though it's not. The spoofing saves the WAN bandwidth, because no packet is ever sent out on the WAN.

LAN protocols today do not yet accommodate spoofing easily.

["Network Spoofing" by Jeffrey Fritz, BYTE, December 1994, pages 221 - 224].


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? Mentioned in ? References in periodicals archive
 
Spoofing has had only limited success so far, but the Industry defends it and other online trickery as a legal defense of music copyrights.
Digital fakeout. (Music) by Markoff, John / New York Times Upfront
Journalists are still ripe for spoofing and scamming, the Seventh Annual Survey of the Media in the Wired World finds.
Clueless Train by Taylor, Jeff A. / Reason
The group's mission is threefold: to build consensus around what information people need from browsers in order to understand their "security context," to find innovative ways to present this information and raise awareness, and to suggest ways to make browsers less susceptible to spoofing of user interfaces that are used to convey critical security information to end users.
W3C Launches Secure Browsing Initiative by Business Wire
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