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    SubjectRe: Killing a network connection
    On Tue, Oct 16, 2007 at 01:50:55AM +0200, Bodo Eggert wrote:
    > Andi Kleen <andi@firstfloor.org> wrote:
    > > Stefan Monnier <monnier@iro.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
    -
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