Re: [PATCH 1/2] netfilter: nf_ct_tcp: fix flow recovery with TCP window tracking enabled

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Am 12.07.2010 18:59, schrieb Pablo Neira Ayuso:
> This patch adds the missing bits to support the recovery of TCP flows
> without disabling window tracking (aka be_liberal). To ensure a
> successful recovery, we have to inject the window scale factor via
> ctnetlink.
> 
> This patch has been tested with a development snapshot of conntrackd
> and the new clause `TCPWindowTracking' that allows to perform strict
> TCP window tracking recovery across fail-overs.
> 
> With this patch, we don't update the receiver's window until it's not
> initiated. We require this to perform a successful recovery. Jozsef
> confirmed in a private email that this spotted a real issue since that
> should not happen.

Regarding the question whether to put this into nf-2.6.git or
nf-next.git, does this fix any bugs besides adding support for
using window tracking with synchronization? I'm not quite sure
what "a real issue" is supposed to mean in this case.
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