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Message-ID: <20071016093121.GA28393@one.firstfloor.org> Date: Tue, 16 Oct 2007 11:31:21 +0200 From: Andi Kleen <andi@...stfloor.org> To: Bodo Eggert <7eggert@....de> Cc: Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org, Stefan Monnier <monnier@....umontreal.ca> Subject: Re: Killing a network connection On Tue, Oct 16, 2007 at 01:50:55AM +0200, Bodo Eggert wrote: > Andi Kleen <andi@...stfloor.org> wrote: > > 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. > > There is a /proc/sys/net/ipv4/ip_dynaddr sysctl in 2.6.21. That only handles SYN_SENT and does something different (it rewrites the source address) -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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