Re: [Acme] Server on >= 1024 port

James Cloos <cloos@jhcloos.com> Wed, 02 December 2015 23:10 UTC

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From: James Cloos <cloos@jhcloos.com>
To: Richard Barnes <rlb@ipv.sx>
In-Reply-To: <CAL02cgQPZrx5d1xO-xKEQrV+pZKLkhYW_XDSm=QM8THs__s5qQ@mail.gmail.com> (Richard Barnes's message of "Wed, 2 Dec 2015 10:17:47 -0500")
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Cc: Paul Millar <paul.millar@desy.de>, "Salz, Rich" <rsalz@akamai.com>, "acme@ietf.org" <acme@ietf.org>, Yoav Nir <ynir.ietf@gmail.com>
Subject: Re: [Acme] Server on >= 1024 port
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>>>>> "RB" == Richard Barnes <rlb@ipv.sx> writes:

RB> If you look at what CAs do today, that basically means the port is
RB> 80/443.  More generally, it means that the port needs to be specified
RB> by the challenge mechanism and not by the client.

What CAs do any kind of challenge over anything other than smtp?

Tcp port numbers have no significance to "control of a domain".

Or "control of a hostname", since the certs are issued for hostnames and
not for domain names.

-JimC
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James Cloos <cloos@jhcloos.com>         OpenPGP: 0x997A9F17ED7DAEA6