Security pros question flaw find

Two Internet software developers who said they have uncovered a way to cause entire networks of computers to freeze or shut down may have simply rediscovered an old network issue. The network performance issues are described in a series of Web site forum postings recently publicized within the security community. The poster, who uses the alias NT Canuck, said he created a tool, with the help of another developer, that can shut down entire networks.

However, security researchers at the Computer Emergency Response Team (CERT) Coordination Center downplayed the issue, saying that the program simply inundates a network with so much data that computers have problems functioning correctly.

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