From owner-freebsd-stable  Sun Dec 12 14: 8:19 1999
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To: Brad Knowles <blk@skynet.be>
Cc: freebsd-stable@FreeBSD.ORG
Subject: Re: SYN Hardening patches? / SYN Code in 3.4-RC 
In-reply-to: Message from Brad Knowles <blk@skynet.be> 
	<v04220802b479c33d8d5c@[195.238.24.135]> .
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Date: Sun, 12 Dec 1999 17:08:13 -0500
From: John Robert LoVerso <john@loverso.southborough.ma.us>
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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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