blacklist

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blacklist

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

(2) A list of websites that are considered off limits or dangerous. A website 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 ?
Others on the blacklist were linked to the bombing of Air India flight 182 which was flying over the Atlantic Ocean en route New Delhi from Montreal via London on June 23, 1985 when it exploded in mid-air, killing all 329 people on board, including 22 crew members.
FINANCE MINISTER Jane Hutt has told public sector bodies they should block companies that blacklist trade union activists and other groups of workers they dislike from bidding for contracts.
Many workers have no idea they were included on the blacklist, which was uncovered by the Information Commissioner's Office (ICO) and showed more than 40 of the UK's largest construction firms used the practice.
The regulations outlaw the compilation, dissemination and use of blacklists.
She becomes entangled in a web of lies and deceit stretching from the communist blacklists in the fifties to the nearsighted actions of the Patriot Act.
In fact, blacklists are better at blocking known viruses than spam--e-mail administrators can use them to deny attachments with common virus extensions such as .
The free version allows incoming email to be checked against popular DNS blacklists (also known as real time blacklists) at server level, prior to distributing the mail to network users.
It's tough getting off blacklists, and your ability to reach your audience may be further hampered if the blacklisting spreads to other ISPs and networks.
On a wider scale, the party launched smear campaigns and blacklists against noncommunists, targeting such figures as Barbara Stanwyck, Lana Turner, and Bette Davis.
But the good thing is we're finally talking about Kazan and the blacklists, which is Hollywood's darkest shame.
Customizable whitelists and blacklists can be created using a simple, intuitive interface.
Mr Bentham said as well as builders, electricians and plumbers, others could have been on the blacklists held by the Consulting Association - including environmentalists, academics and even MPs.