Re: [core] DNS-SD service types for CoRE-RD (Re: AD review of draft-ietf-core-resource-directory-23)

Ted Lemon <mellon@fugue.com> Mon, 02 March 2020 15:36 UTC

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From: Ted Lemon <mellon@fugue.com>
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Date: Mon, 02 Mar 2020 10:36:24 -0500
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To: Christian Amsüss <christian@amsuess.com>
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Subject: Re: [core] DNS-SD service types for CoRE-RD (Re: AD review of draft-ietf-core-resource-directory-23)
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On Mar 2, 2020, at 9:55 AM, Christian Amsüss <christian@amsuess.com> wrote:
> Do we have a meaningful way to deal with (D)TLS in DNS-SD at all? I'm
> only superficially familiar with the verification steps done on the host
> name, but as I understand, TLS typically authenticates the host name.

The first question you should ask is, what are you trying to protect by using DTLS.  Until you answer that question, you’re not going to make any progress.