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Re: Summary of responses so far and proposal moving forward[WasRe: [tcpm] Is this a problem?]

Mahesh Jethanandani <mahesh@cisco.com> Mon, 26 November 2007 21:35 UTC

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Date: Mon, 26 Nov 2007 13:35:49 -0800
From: Mahesh Jethanandani <mahesh@cisco.com>
Organization: Cisco Systems Inc.
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To: Joe Touch <touch@ISI.EDU>
Subject: Re: Summary of responses so far and proposal moving forward[WasRe: [tcpm] Is this a problem?]
References: <20071126161259.29EFA2FC343@lawyers.icir.org> <474AF34B.40805@isi.edu>
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Joe Touch wrote:
>
> Note also that DOS attacks would likely not keep TCP connections around
> with zero windows AND continue to ACK - they'd stop ACKing, the
> connection would drop for *that* reason, and be recovered.
Quite the contrary. Our experimentation revealed that DoS attackers 
responded reliably with an ACK to all zero window probes and that 
connections stayed in established state for days.


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