Re: [dnsext] need new flag bit in EDNS, "do me no favours" (DMNF)

Brian Dickson <brian.peter.dickson@gmail.com> Mon, 25 October 2010 01:46 UTC

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Date: Sun, 24 Oct 2010 22:43:56 -0300
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Subject: Re: [dnsext] need new flag bit in EDNS, "do me no favours" (DMNF)
From: Brian Dickson <brian.peter.dickson@gmail.com>
To: Paul Vixie <vixie@isc.org>
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On Sun, Oct 24, 2010 at 10:08 PM, Paul Vixie <vixie@isc.org> wrote:

> > Date: Sun, 24 Oct 2010 20:52:12 -0300
> > From: Brian Dickson <brian.peter.dickson@gmail.com>
> >
> > At the risk of sounding facetious, I think we already have a "DMNF" bit:
> > DO (plus CD bit, i.e. security-aware stub resolvers).
>
> that's a workaround not a signal.  so, if there's a secure path from a
> trust anchor to the qname AND if the stub is validating THEN this has
> the same effect as DMNF.
>
> however, for unsecured names or nonvalidating stubs, i'd like an
> explicit signal.  thus, DMNF.  so far david conrad thinks a short i-d
> could be worthwhile, so that's two (me and him).  anybody else?
>
>
Sorry, I forgot to also say, I am not opposed, since there's the cases you
indicated.

I am in favor of an i-d as well, and would happily review it.

Brian