Effects of traffic shaping ICMP (&c.)

Pete Kruckenberg pete at kruckenberg.com
Wed Dec 2 22:02:40 UTC 1998


On Wed, 2 Dec 1998, Mark R. Lindsey wrote:

> Could traffic shaping, or similar QoS configurations, be used to solve
> such issues in a more general way? For example, if my source of packet
> flooding is ICMP, then I'd like to be able to dedicate as much as 1/10th
> (e.g.) of the bandwidth of each link to ICMP. That's plenty of ICMP, but
> it's not so much that an attack using ICMP would be effective.

At the last NANOG, there was a presentation about Cisco's CAR and how
@Home was using it to limit ICMP and detect unusual ICMP activity. Well,
that was part of the talk, at least. 

http://www.nanog.org/mtg-9811/ppt/witt/index.htm : presentation slides
http://www.nanog.org/mtg-9811/cartalk.ram : presentation in RealVideo

Pete.





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