Re: [OPSAWG] [Add] 🔔 WG LC: RADIUS Extensions for Encrypted DNS

mohamed.boucadair@orange.com Fri, 14 October 2022 14:45 UTC

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From: mohamed.boucadair@orange.com
To: Bernie Volz <bevolz@gmail.com>, "dhcwg@ietf.org" <dhcwg@ietf.org>
CC: "Joe Clarke (jclarke)" <jclarke@cisco.com>, opsawg <opsawg@ietf.org>, ADD Mailing list <add@ietf.org>, "radext@ietf.org" <radext@ietf.org>
Thread-Topic: [Add] [OPSAWG] 🔔 WG LC: RADIUS Extensions for Encrypted DNS
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Date: Fri, 14 Oct 2022 14:45:00 +0000
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Subject: Re: [OPSAWG] [Add] 🔔 WG LC: RADIUS Extensions for Encrypted DNS
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Hi Bernie, dhcwg, 

We received a comment during the WGLC of this draft that might lead us to revisit the design you have reviewed recently. This alternative design mirrors what we have done in 7037 (dhcwg) but with DHCP options included in RADIUS. The candidate text is available at: 

https://github.com/boucadair/draft-ietf-opsawg-add-encrypted-dns/blob/main/draft-ietf-opsawg-add-encrypted-dns-encap.txt

I'd appreciate if you can review this proposal and share any comments/issues you may have.

Thank you.

Cheers,
Med

> -----Message d'origine-----
> De : BOUCADAIR Mohamed INNOV/NET
> Envoyé : vendredi 14 octobre 2022 16:32
> À : 'Alan DeKok' <aland@deployingradius.com>
> Cc : Ben Schwartz <bemasc@google.com>; Joe Clarke (jclarke)
> <jclarke@cisco.com>; opsawg <opsawg@ietf.org>; radext@ietf.org;
> ADD Mailing list <add@ietf.org>
> Objet : RE: [Add] [OPSAWG] 🔔 WG LC: RADIUS Extensions for
> Encrypted DNS
> 
> Re-,
> 
> Works for me. Thanks.
> 
> I will run this candidate version with dhcwg as well.
> 
> Cheers,
> Med
> 
> > -----Message d'origine-----
> > De : Alan DeKok <aland@deployingradius.com> Envoyé : vendredi 14
> > octobre 2022 16:00 À : BOUCADAIR Mohamed INNOV/NET
> > <mohamed.boucadair@orange.com> Cc : Ben Schwartz
> <bemasc@google.com>;
> > Joe Abley <jabley@hopcount.ca>; Ben Schwartz
> > <bemasc=40google.com@dmarc.ietf.org>; Joe Clarke (jclarke)
> > <jclarke@cisco.com>; opsawg <opsawg@ietf.org>; radext@ietf.org;
> ADD
> > Mailing list <add@ietf.org> Objet : Re: [Add] [OPSAWG] 🔔 WG LC:
> > RADIUS Extensions for Encrypted DNS
> >
> >
> > On Oct 14, 2022, at 5:47 AM, <mohamed.boucadair@orange.com>
> > <mohamed.boucadair@orange.com> wrote:
> > > Let's try to exercise this approach and see if there are not
> > hidden complications vs. current design with known limitation. A
> > drafty text (not yet in the main draft) can be seen at:
> > https://github.com/boucadair/draft-ietf-opsawg-add-encrypted-
> > dns/blob/main/draft-ietf-opsawg-add-encrypted-dns-encap.txt
> >
> >   Nits:
> >
> > Section 3: just drop the ASCII art.  RFC 8044 makes it no longer
> > necessary.
> >
> > Section 3.1, 3.2, and 7.1: the data type should be "string" for
> > "opaque data"
> >
> >   Other than that, it looks good on first read-through.
> >
> > > The attributes should not be seen as opaque data by the RADIUS
> > server but it should understand the encoding of the enclosed
> options.
> > The intended behavior should be called out, IMO.
> >
> >   I would suggest saying something like "for ease of
> administrator
> > configuration, the RADIUS server SHOULD expose the DHCP options
> and
> > allow administrators to configure them, instead of requiring
> them to
> > be entered as opaque data".
> >
> >   That gets the best of both worlds.
> >
> >   Alan DeKok.


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