linux-kernel - Re: Killing a network connection

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Message-ID: <p73przg10yp.fsf@bingen.suse.de>
Date:	Tue, 16 Oct 2007 00:12:46 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Stefan Monnier <monnier@....umontreal.ca>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Killing a network connection

Stefan Monnier <monnier@....umontreal.ca> writes:
>
> The main use for me is to deal with dangling connections due to taking
> network interfaces up&down with different IP addresses (typically the wlan0
> interface where the IP is different because I've modes from an AP to
> another).  Of course, maybe there's another way to solve this particular
> problem, in case I'd like to hear about it as well.

Long ago I did a 2.4 patch that solved exactly this problem. It introduced
a new ifconfig flag "dynamic" and when a dynamic address went down
all TCP connections originating from it were killed. It's still available
in older SUSE releases. I might post a forward port later.

-Andi
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