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From: Mika Liljeberg <Mika.Liljeberg@welho.com>
To: kuznet@ms2.inr.ac.ru
Cc: davem@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: TCP LAST-ACK state broken in 2.4.17-pre2
Date: Mon, 10 Dec 2001 20:54:54 +0200	[thread overview]
Message-ID: <3C1504FE.63B0002F@welho.com> (raw)
In-Reply-To: <200112101834.VAA17862@ms2.inr.ac.ru>

kuznet@ms2.inr.ac.ru wrote:
> Well, you can just add one line to tcp_input.c to repair this.

Thanks, that was quick! :)

> Duh, do specs say something about segments with seqs
> above fin? I do not remember.

I don't think they do, aside from that LAST-ACK is a synchronized state.
I.e., if you set RCV.WND to zero after receiving a FIN, any subsequent
out-of-window (below or above) segment will be acked. However, I don't
think it matters much, since above-window packets would in this case
always be caused by a bug in the sender.

> Alexey

	MikaL

  reply	other threads:[~2001-12-10 18:55 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-12-10 18:16 TCP LAST-ACK state broken in 2.4.17-pre2 Mika Liljeberg
2001-12-10 18:34 ` kuznet
2001-12-10 18:54   ` Mika Liljeberg [this message]
2001-12-11 17:51     ` kuznet
2001-12-12 20:31       ` Mika Liljeberg
2001-12-13 17:59         ` kuznet
2001-12-13 19:30           ` Mika Liljeberg
2001-12-13 19:38             ` kuznet
2001-12-11  0:13   ` David S. Miller
2001-12-11 17:24     ` kuznet
  -- strict thread matches above, loose matches on Subject: below --
2001-12-13 10:19 Pasi Sarolahti

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