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Date: Thu, 14 Dec 2006 15:49:32 +0200
From: Alexander Motin <mav@alkar.net>
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Subject: Re: question for TCP gurus (in ipfw)
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Julian Elischer wrote:
> could we do either of:
> 1/ not set the ACK bit  and just not do the extra work. Just send a reset?

Reset packet MUST have valid sequence number. Else it will be rejected 
as protection from DoS atack.