blacklist

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blacklist

(1) A list of e-mail addresses or domains of known spammers. See spam, spam filter, Blacklist of Internet Advertisers, greylisting and blackholing. Contrast with whitelist.

(2) A list of Web sites that are considered off limits or dangerous. A Web site can be placed on a blacklist because it is a fraudulent operation or because it exploits browser vulnerabilities to send spyware and other unwanted software to the user. Contrast with whitelist.

(3) A list of applications that a user is forbidden to run in an organization. Maintained by the system or network administrator, software in the user's computer prevents them from installing or running any program in the blacklist. Contrast with whitelist.
References in periodicals archive ?
Over four years have passed since 44 construction companies were exposed as blacklisters following a raid on the Consulting Association by the Information Commissioner.
TRAP THE Z RATS Workers want action against the blacklisters
5) McCullough was an amateur vigilante--'I guess you might say I was always on the lookout for them [subversives]' (6) --but was encouraged by blacklisters from the world of newspapers: Cassini, Fulton Lewis Jr, Westbrook Pegler and George Sokolsky.
This raised one trivial question: Are the blacklisters as intolerant as Prop.
The most famous examples were Lucille Ball and Desi Arnez, who were too popular and powerful as media personalities to be reached by the blacklisters.
It covers his childhood in Austin, on through the years of his blacklisting and the magnificent lawsuit, he won against the blacklisters.