How vulnerable is the 'Net?
The unusual activity began two weeks before the attack. Officials from the Cooperative Association for Internet Data Analysis, which had begun monitoring Internet nameserver behavior at the start of 2002, noticed varying levels of performance degradation in early October of that year. Little did they realize that on Oct. 21 they would witness a flood of ping messages on the Internet's 13 DNS root nameservers that would cause the most notorious denial-of-service attack on the Internet to this date.
By Jim Duffy at NWF.
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