On Wed, Jul 7, 2021 at 7:00 PM Benjamin Kaduk <[email protected]> wrote:

> On Wed, Jun 30, 2021 at 10:03:48PM -0700, Erik Kline via Datatracker wrote:
> > [S4.3.9.4] [comment]
> >
> > * It seems fairly clear from RFC 5570 Security Considerations that a
> >   CALIPSO option is best protected with an AH, and in such cases
> stripping
> >   the CALIPSO option would cause the packet to fail validation at the
> >   (suitably configured) destination.
> >
> >   Similarly, it might be good to note in S4.3.9.5 that if an AH is
> present
> >   presumably the advice from S3.4.5.5 applies.
>
> Probably not very relevant here, but the current IPSECME advice is to use
> ESP with null encryption rather than AH.
>

My (mis)understanding was that this was mostly because of NAT/NAPT.  Is
there some benefit of this recommendation that applies when NAT/NAPT
doesn't apply (/me looks at IPv6).
_______________________________________________
OPSEC mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/opsec

Reply via email to