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Date:      Sun, 12 Dec 1999 17:08:13 -0500
From:      John Robert LoVerso <john@loverso.southborough.ma.us>
To:        Brad Knowles <blk@skynet.be>
Cc:        freebsd-stable@FreeBSD.ORG
Subject:   Re: SYN Hardening patches? / SYN Code in 3.4-RC 
Message-ID:  <199912122208.RAA09606@loverso.southborough.ma.us>
In-Reply-To: Message from Brad Knowles <blk@skynet.be>  <v04220802b479c33d8d5c@[195.238.24.135]> .

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> Huh.  I'd be real interested to know how ignoring SYN+FIN breaks 
> support for RFC1644 or causes problems for web servers.

RFC 1644 defines "T/TCP: TCP Extensions for Transactions", which describes
a way to to a complete transactional TCP session with as little as two total
datagrams.  The first datagram has both SYN and FIN flags set.

John


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