Re: [Acme] ACME draft is now in WGLC.
Viktor Dukhovni <ietf-dane@dukhovni.org> Tue, 07 March 2017 03:20 UTC
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Date: Tue, 07 Mar 2017 03:20:23 +0000
From: Viktor Dukhovni <ietf-dane@dukhovni.org>
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Subject: Re: [Acme] ACME draft is now in WGLC.
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On Tue, Mar 07, 2017 at 03:15:10AM +0000, Viktor Dukhovni wrote: > On Tue, Feb 07, 2017 at 05:27:48PM +0000, Salz, Rich wrote: > > > I put the time period as six weeks, which takes us to just around IETF-98... > > > > PLEASE reply on list if you will review and/or are interested in working on interop. > > I see there's no reference to use of DNSSEC resolvers by CAs that > implement DNS challenges. Just a suggestion to send probes from > multiple networks to avoid MiTM attacks, which seems rather weak > to me. The MiTM might be collocated near the victim rather than > the CA. > > There was some brief discussion of DNSSEC back in Oct/2015: > > https://www.ietf.org/mail-archive/web/acme/current/thrd3.html#00561 > > https://www.ietf.org/mail-archive/web/acme/current/msg00561.html > https://www.ietf.org/mail-archive/web/acme/current/msg00562.html > https://www.ietf.org/mail-archive/web/acme/current/msg00563.html > https://www.ietf.org/mail-archive/web/acme/current/msg00564.html > https://www.ietf.org/mail-archive/web/acme/current/msg00565.html > https://www.ietf.org/mail-archive/web/acme/current/msg00729.html > > but no further action. Is there a compellng reason to avoid > requiring acme CAs to spin up a validating resolver? It does not > seem like a lot to ask. If a domain is DNSSEC-signed then its ACME > challenge should IMHO be validated via DNSSEC. Specifically, it 10.3 use of DNSSEC is a RECOMMENDATION, not a requirement: https://tools.ietf.org/html/draft-ietf-acme-acme-05#section-10.3 I would have expected a requirement here. -- Viktor.
- [Acme] ACME draft is now in WGLC. Salz, Rich
- Re: [Acme] ACME draft is now in WGLC. Jacob Hoffman-Andrews
- Re: [Acme] ACME draft is now in WGLC. Salz, Rich
- Re: [Acme] ACME draft is now in WGLC. housley
- Re: [Acme] ACME draft is now in WGLC. Martin Thomson
- Re: [Acme] ACME draft is now in WGLC. Anders Rundgren
- Re: [Acme] ACME draft is now in WGLC. Salz, Rich
- Re: [Acme] ACME draft is now in WGLC. Russ Housley
- Re: [Acme] ACME draft is now in WGLC. Jacob Hoffman-Andrews
- Re: [Acme] ACME draft is now in WGLC. Anders Rundgren
- Re: [Acme] ACME draft is now in WGLC. Viktor Dukhovni
- Re: [Acme] ACME draft is now in WGLC. Viktor Dukhovni
- Re: [Acme] ACME draft is now in WGLC. Salz, Rich
- Re: [Acme] ACME draft is now in WGLC. Viktor Dukhovni
- Re: [Acme] ACME draft is now in WGLC. Salz, Rich
- Re: [Acme] ACME draft is now in WGLC. Jacob Hoffman-Andrews
- Re: [Acme] ACME draft is now in WGLC. Viktor Dukhovni
- Re: [Acme] ACME draft is now in WGLC. Hugo Landau
- Re: [Acme] ACME draft is now in WGLC. Richard Barnes
- Re: [Acme] ACME draft is now in WGLC. Phillip Hallam-Baker
- Re: [Acme] ACME draft is now in WGLC. Richard Barnes