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Date:   Thu, 22 Jul 2021 11:43:24 +0200
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     Antony Antony <antony.antony@...unet.com>
CC:     Herbert Xu <herbert@...dor.apana.org.au>,
        Christian Langrock <christian.langrock@...unet.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, <netdev@...r.kernel.org>
Subject: Re: [PATCH v2 ipsec-next] xfrm: Add possibility to set the default
 to block if we have no policy

On Sun, Jul 18, 2021 at 09:11:06AM +0200, Antony Antony wrote:
> From: Steffen Klassert <steffen.klassert@...unet.com>
> 
> As the default we assume the traffic to pass, if we have no
> matching IPsec policy. With this patch, we have a possibility to
> change this default from allow to block. It can be configured
> via netlink. Each direction (input/output/forward) can be
> configured separately. With the default to block configuered,
> we need allow policies for all packet flows we accept.
> We do not use default policy lookup for the loopback device.
> 
> v1->v2
>  - fix compiling when XFRM is disabled
>  - Reported-by: kernel test robot <lkp@...el.com>
> 
> Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com>
> Co-developed-by: Christian Langrock <christian.langrock@...unet.com>
> Signed-off-by: Christian Langrock <christian.langrock@...unet.com>
> Co-developed-by: Antony Antony <antony.antony@...unet.com>
> Signed-off-by: Antony Antony <antony.antony@...unet.com>

Applied, thanks for pushing this upstream Antony!

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