Re: [Acme] Looking for comments on https://github.com/ietf-wg-acme/acme/issues/215
Daniel McCarney <cpu@letsencrypt.org> Mon, 05 December 2016 19:51 UTC
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From: Daniel McCarney <cpu@letsencrypt.org>
Date: Mon, 05 Dec 2016 14:50:59 -0500
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To: Richard Barnes <rlb@ipv.sx>
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Cc: "Salz, Rich" <rsalz@akamai.com>, Patrick Figel <patrick@figel.email>, IETF ACME <acme@ietf.org>
Subject: Re: [Acme] Looking for comments on https://github.com/ietf-wg-acme/acme/issues/215
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Speaking on behalf of Let's Encrypt, we wouldn't be supportive of the change outlined in #215. We share Patrick's concerns about servers with default vhosts. On Sat, Dec 3, 2016 at 5:42 PM, Richard Barnes <rlb@ipv.sx> wrote: > I find these objections pretty persuasive. Inclined to WONTFIX. > > On Sat, Dec 3, 2016 at 7:35 AM, Patrick Figel <patrick@figel.email> wrote: > >> I wrote together some thoughts on this proposal here[1]. In short, I >> think it's >> vulnerable to the default vhost attack that caused simpleHTTP to be >> dropped, and >> it's not compatible with the "Agreed-Upon Change to Website" method >> described >> in the BRs, which would prevent adoption by any publicly-trusted CA. >> >> The proposed workaround for this issue[2] would make this a variant of >> tls-sni, >> AIUI, which already has these pseudo-hostnames, so I think we're down to >> "allow >> other ports" here, and I believe there's consensus against this. >> >> Patrick >> >> [1]: https://mailarchive.ietf.org/arch/msg/acme/QiXu84RJtURfGVVEY >> fSpRdtcU5o >> [2]: https://mailarchive.ietf.org/arch/msg/acme/NFKJ5sqBePGlJglKR >> wodc5m4ZEo >> >> On Sat, Dec 3, 2016 at 3:18 AM, Salz, Rich <rsalz@akamai.com> wrote: >> > With the couple of recent pull requests, the document editors are about >> to >> > close all but on issue, #215. >> > >> > >> > >> > Does the WG have any feelings on this? Is it something we need to >> address >> > NOW, or can we add a new type of challenge later on if there’s interest? >> > >> > >> > >> > Please reply on-list by earl next week. >> > >> > >> > >> > -- >> > >> > Senior Architect, Akamai Technologies >> > >> > Member, OpenSSL Dev Team >> > >> > IM: richsalz@jabber.at Twitter: RichSalz >> > >> > >> > >> > >> > _______________________________________________ >> > Acme mailing list >> > Acme@ietf.org >> > https://www.ietf.org/mailman/listinfo/acme >> > >> >> _______________________________________________ >> Acme mailing list >> Acme@ietf.org >> https://www.ietf.org/mailman/listinfo/acme >> > > > _______________________________________________ > Acme mailing list > Acme@ietf.org > https://www.ietf.org/mailman/listinfo/acme > >
- [Acme] Looking for comments on https://github.com… Salz, Rich
- Re: [Acme] Looking for comments on https://github… Patrick Figel
- Re: [Acme] Looking for comments on https://github… Philipp Junghannß
- Re: [Acme] Looking for comments on https://github… Richard Barnes
- Re: [Acme] Looking for comments on https://github… Daniel McCarney