North American Network Operators Group

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Cisco says attacks are due to operational practices

  • From: Sean Donelan
  • Date: Thu Feb 10 17:40:44 2000

In an InteractiveWeek article the head of Cisco's security products group
says the attacks are an operational problem not a technical problem.

>Routers from Cisco and other vendors have the ability to detect the signature
>patterns of a denial-of-service attack, and the routers can filter out that
>traffic, Farnsworth said. 
>
>"The router knows which sources are legitimate or not and drops on the floor
>anything suspicious," Farnsworth said. "Generally speaking, ingress filtering
>and committed rates are effective in terms of preventing [malicious] traffic
>from ever showing up, or filtering it to a reasonable rate."