[strongSwan-dev] Patch proposal: set the replay window only on inbound SA

Emeric POUPON emeric.poupon at stormshield.eu
Fri Jun 17 17:07:06 CEST 2016


Hello,

Do you known why exactly it is rejected?
Maybe another simple way would be to set the default replay window on outbound SA?

Emeric

----- Original Message -----
From: "Tobias Brunner" <tobias at strongswan.org>
To: dev at lists.strongswan.org
Sent: Friday, 17 June, 2016 15:50:18
Subject: Re: [strongSwan-dev] Patch proposal: set the replay window only on inbound SA

Hi Emeric,

> Seems like [1] would fix this for all kernel
> backends that don't know if an SA is inbound or not equally.

It's actually problematic on Linux if extended sequence numbers are
used.  The kernel rejects the SA if the window is 0 in that case.  So I
guess it's easier to disable the replay window for outbound SAs in the
individual kernel plugins.

Regards,
Tobias

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