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Date: Thu, 13 Sep 2007 09:08:06 -0700
From: Reza Roboubi <reza@parvan.net>
Subject: Re: TCP_LINGER2 TIME_WAIT
In-reply-to: <p73ir6eyk7d.fsf@bingen.suse.de>
To: Andi Kleen <andi@firstfloor.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Andi Kleen wrote:
> Reza Roboubi <reza@parvan.net> writes:
> 
>> man 7 tcp says TCP_LINGER2 sets the lifetime of orphaned FIN_WAIT2 state
>> sockets.  What about wanting to forcibly kill a "rotten" TCP socket in
>> any other "WAIT" state like TIME_WAIT?
> 
> The whole point of TIME-WAIT is catching old packets still in network.
> Killing it early would avoid its purpose.

tcp_max_tw_buckets does exactly that system wide, and for good reason. 
Why not give userspace oversight over the process?

Reza.