firewall

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fire·wall

(fīr'wawl)
1. A special building material that is placed in walls between buildings or rooms to prevent the spread of fire.
2. A software program designed to prevent unauthorized persons from accessing a computer system.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

firewall

A set of programs that protects the resources of a private computer network from users of other networks. It screens the messages that attempt to enter or leave the network and permits or denies access to outside users based on pre-programmed rules.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Tripunitara, "Least-restrictive enforcement of the chinese wall security policy," in Proceedings of the 18th ACM Symposium on Access Control Models and Technologies, SACMAT '13, pp.
The method features a multidimensional Chinese wall spanning defined protocols of separation for physical location, people, electronic infrastructure and software development tools.
Under the terms of the global settlement, the firms were required to insulate their banking and analysis departments from each other physically and with Chinese walls. In addition, underwriters were restricted from issuing earnings forecasts or research reports for companies whose offerings they underwrote during a 40-day "quiet period."
In our proposal, we compromise on the Chinese Wall policy.
I deeply regret that you sensed that we have begun to drift over that "Chinese Wall," as you put it.
(334) The term 'Chinese wall', although routinely used in legal vernacular, is an 'imprecise metaphor'.
(10) Th is discussion summarizes the article by Luk et alia (1997) on the conservation of two Chinese wall painting fragments.
The criticism is that those analysts were using a practice that was a "conflict of interest." It's hardly news anymore that the Chinese wall that once separated investment banking from Wall Street research has seriously eroded.
VeriSign has had a strict "Chinese Wall" rule in place between its registry and registrar divisions since it signed a deal with the Internet Corp for Assigned Names and Numbers in 2001 that forgave its previous obligation to sell off NSI.
"Did they not build the Chinese wall, the biggest piece of masonry in the world?" Crocker shot back, referring to the Great Wall of China.
Beckham tested his range once more with a free-kick that breached the Chinese wall but drifted narrowly wide.
Beckham tested his range with another free-kick which breached the Chinese wall, but this time the shot drifted narrowly wide of the goalkeeper's left-hand post.
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