blackholing

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blackholing

Discarding packets in a network based on some criterion. For example, an ISP might blackhole packets coming from a known spammer or from a file sharing application such as BitTorrent. An ISP that has its own packet-switched phone service may blackhole VoIP packets from another vendor.
References in periodicals archive ?
The black hole lists are managed by a loose confederation of anti-spam zealots, dedicated "public servants" and marketers attempting to sell a service.
A visit to the Maps web site (maps.vix.com) told me all about their crusade to rid the world of "spam" and how to find out if the above server was on their black hole list - it was.