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Re: [dhcwg] DHCP hackathon in Prague: SeDHCPv6

Ted Lemon <mellon@fugue.com> Wed, 07 June 2017 23:45 UTC

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From: Ted Lemon <mellon@fugue.com>
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Date: Wed, 07 Jun 2017 19:45:34 -0400
In-Reply-To: <201706072322.v57NMdgh078025@givry.fdupont.fr>
Cc: 神明達哉 <jinmei@wide.ad.jp>, dhcwg <dhcwg@ietf.org>
To: Francis Dupont <Francis.Dupont@fdupont.fr>
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Subject: Re: [dhcwg] DHCP hackathon in Prague: SeDHCPv6
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On Jun 7, 2017, at 7:22 PM, Francis Dupont <Francis.Dupont@fdupont.fr> wrote:
> => I don't understand your argument: if you send an encrypted packet
> to a box without the proper security association of course it does not
> work. This has nothing to do with IPsec and will happen with DTLS too
> or anything secure protocol which carries DHCP messages.

The relay agent can forward an encrypted payload that it receives.   It can't forward a cleartext payload from an encrypted packet it couldn't decode.

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