netdev - Re: strange tcp behavior

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Message-ID: <60580.simon.1186142626@5ec7c279.invalid>
Date:	Fri, 3 Aug 2007 13:03:46 +0100
From:	"Simon Arlott" <simon@...e.lp0.eu>
To:	"Evgeniy Polyakov" <johnpol@....mipt.ru>
Cc:	john@...een.lv, netdev@...r.kernel.org,
	"David Miller" <davem@...emloft.net>
Subject: Re: strange tcp behavior

On Fri, August 3, 2007 12:56, Evgeniy Polyakov wrote:
> On Fri, Aug 03, 2007 at 12:21:46PM +0100, Simon Arlott (simon@...e.lp0.eu) wrote:
>> Since the connection is considered closed, couldn't another socket re-use it?
>>
>> Socket A: Recv data (unread)
>> Socket A: Recv RST
>> Socket B: Reuses connection (same IPs/ports)
>> Socket A: Close
>>
>> Wouldn't that disrupt socket B's use of the connection?
>
> Then it will drop our data, since there were no appropriate handhsake.

Couldn't the sequence numbers be close enough to make the RST valid?

-- 
Simon Arlott
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