netdev - Re: [devel-ipsec] [RFC PATCH ipsec-next] udpencap: Remove Obsolete UDP_ENCAP_ESPINUDP_NON

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Date: Tue, 24 Oct 2023 12:56:21 -0400 (EDT)
From: Paul Wouters <paul@...ats.ca>
To: antony.antony@...unet.com
cc: Steffen Klassert <steffen.klassert@...unet.com>, 
    Florian Westphal <fw@...len.de>, 
    Willem de Bruijn <willemdebruijn.kernel@...il.com>, 
    Andreas Gruenbacher <agruenba@...hat.com>, devel@...ux-ipsec.org, 
    netdev@...r.kernel.org
Subject: Re: [devel-ipsec] [RFC PATCH ipsec-next] udpencap: Remove Obsolete
 UDP_ENCAP_ESPINUDP_NON_IKE Support

On Tue, 24 Oct 2023, Antony Antony via Devel wrote:

> The UDP_ENCAP_ESPINUDP_NON_IKE mode, introduced into the Linux kernel
> in 2004 [2], has remained inactive and obsolete for an extended period.

Thanks for doing this. I can confirm libreswan does not support this
anymore as of October 14, 2020 but in reality hasn't supported this
since KLIPS was obsoleted, which was before the first libreswan release
in 2013. On RHEL/fedora this was never supported.

Paul