[ovs-dev] [patch v1] conntrack-tcp: Handle tcp session reuse.

Ben Pfaff blp at ovn.org
Tue Apr 10 23:49:58 UTC 2018

Did you find anyone to take a look?

On Fri, Mar 09, 2018 at 07:29:06PM +0000, Darrell Ball wrote:
> Windows folks have also been looking at this, as this file is mostly a common port from bsd.
> I’ll check with Sai
> On 3/9/18, 11:22 AM, "ovs-dev-bounces at openvswitch.org on behalf of Ben Pfaff" <ovs-dev-bounces at openvswitch.org on behalf of blp at ovn.org> wrote:
>     On Wed, Feb 28, 2018 at 11:25:50PM -0800, Darrell Ball wrote:
>     > Fix tcp sequence tracking for session reuse cases.  This can happen,
>     > for example by doing VM migration, where sequence tracking needs to
>     > be more permissive.  The solution is to be more permissive for
>     > session restart and session start only.  We don't differentiate
>     > session start here where we could be more strict, although we could,
>     > because the gain in protection is almost zero and the code modularity
>     > would be lessened and code complexity increased.
>     > This issue originates in release 2.7.
>     > 
>     > Signed-off-by: Darrell Ball <dlu998 at gmail.com>
>     Darrell, who should review this?  Justin, are you the right person?
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