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

Darrell Ball dball at vmware.com
Fri Mar 9 19:29:06 UTC 2018


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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