sinkhole definition

Definition of sinkhole : noun

  1. A standard DNS server configured to hand out non-routable addresses for all domains in the sinkhole, so that every computer that uses it will fail to get access to the real website. DNS sinkholes can detect and block malicious traffic, and are used to combat bots and other unwanted traffic.

Definition of sinkhole : verb

  1. To capture malicious traffic in a sinkhole. To disable a botnet through such capture.