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Re: [keyassure] [dane] #23: Asserting DANE exclusivity for an entire domain

Matt McCutchen <matt@mattmccutchen.net> Mon, 21 March 2011 19:55 UTC

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From: Matt McCutchen <matt@mattmccutchen.net>
To: Paul Wouters <paul@xelerance.com>
In-Reply-To: <alpine.LFD.1.10.1103211549340.20162@newtla.xelerance.com>
References: <061.05db8c262c83655cb47a8699cab6c2ac@trac.tools.ietf.org> <alpine.LFD.1.10.1103211549340.20162@newtla.xelerance.com>
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Date: Mon, 21 Mar 2011 15:56:52 -0400
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Cc: keyassure@ietf.org
Subject: Re: [keyassure] [dane] #23: Asserting DANE exclusivity for an entire domain
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On Mon, 2011-03-21 at 15:50 -0400, Paul Wouters wrote:
> On Mon, 21 Mar 2011, dane issue tracker wrote:
> 
> > #23: Asserting DANE exclusivity for an entire domain
> >
> > I would like to be able to assert DANE exclusivity for an entire domain so
> > that, with respect to clients that check DANE first and fall back to a
> > mainstream public CA list, a public CA cannot fabricate a TLS service I do
> > not offer.
> 
> Could this not be done by adding an "empty" CAA record?

CAA is not DANE.

> Also, is this not what people here call "dictating policy to the client" ?

I responded to this objection the first time it was raised.

http://www.ietf.org/mail-archive/web/keyassure/current/msg01700.html

-- 
Matt

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