From owner-freebsd-net@FreeBSD.ORG  Wed Jul 18 07:24:00 2007
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Date: Wed, 18 Jul 2007 11:23:52 +0400
From: Eygene Ryabinkin <rea-fbsd@codelabs.ru>
To: Andre Oppermann <andre@freebsd.org>
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Cc: Julian Elischer <julian@ironport.com>,
	FreeBSD Net <freebsd-net@freebsd.org>,
	Julian Elischer <julian@elischer.org>
Subject: Re: Wierd networking.
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Andre, good day.

Wed, Jul 18, 2007 at 08:57:47AM +0200, Andre Oppermann wrote:
> >Seems like it is the effect of the SS_NOFDREF check in the
> >netinet/tcp_input.c, at least it is present in the rev. 1.281.2.5.
> >See the post
> >    http://lists.freebsd.org/pipermail/freebsd-current/2007-July/074837.html
> >I believe it discuisses the same problem, but for -CURRENT.  In
> >short, Squid child closes the descriptor, so connection is present
> >in the TCP/IP stack only.  And SS_NOFDREF check provokes RST and
> >invokes tcp_close().
> 
> I think your analysis is correct.  Have to find out who to deal properly
> with a closed socket before the TCP is closed as well.

OK, please, drop a letter when you will produce some patch or will
find out how to deal with this -- I am keen to test and/or discuiss.

Thank you!
-- 
Eygene