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North American Network Operators Group

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Re: Syn flooding attacks

  • From: Vern Paxson
  • Date: Mon Oct 20 14:29:44 1997

> The router could discard the SYN, remembering it, and let pass the retry SYN
> that usually occurs with valid connections and does not with invalid ones.

This is no good - all the crackers have to do is modify their programs
to send two bogus SYNs, spaced apart, instead of just one.

		Vern




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