Re: [Acme] Want client-defined callback port

Martin Thomson <martin.thomson@gmail.com> Thu, 23 April 2015 04:09 UTC

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Date: Wed, 22 Apr 2015 21:09:12 -0700
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From: Martin Thomson <martin.thomson@gmail.com>
To: Peter Eckersley <pde@eff.org>
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Cc: Richard Barnes <rlb@ipv.sx>, "Salz, Rich" <rsalz@akamai.com>, "acme@ietf.org" <acme@ietf.org>, Bruce Gaya <gaya@apple.com>, Nico Williams <nico@cryptonector.com>
Subject: Re: [Acme] Want client-defined callback port
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On 22 April 2015 at 19:33, Peter Eckersley <pde@eff.org> wrote:
> Perhaps those policies can be stored out of band, or perhaps we can add
> a separate REST API endpoint where clients ask what ports the server
> considers acceptable for DV Challenges.


Or just pick port 100 (or another that isn't already taken) and say
443 or _that_.  I can't imagine you would need to have many numbers
before you found one that was free.