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Re: [DNSOP] HTTPS SVCB no service available signal.

Tommy Pauly <tpauly@apple.com> Thu, 09 July 2020 22:48 UTC

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From: Tommy Pauly <tpauly@apple.com>
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Date: Thu, 09 Jul 2020 15:48:18 -0700
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Cc: Mark Andrews <marka@isc.org>, dnsop WG <dnsop@ietf.org>
To: Ben Schwartz <bemasc=40google.com@dmarc.ietf.org>
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Subject: Re: [DNSOP] HTTPS SVCB no service available signal.
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+1

When implementing the client, this case needs to be caught anyhow (the error of aliasing to your own domain), so it has the effect of indicating that no service is valid. This suggestion turns this case from an error (which still had the desired effect), to a proper signal.

Tommy

> On Jul 9, 2020, at 2:18 PM, Ben Schwartz <bemasc=40google.com@dmarc.ietf.org> wrote:
> 
> This seems like a reasonable idea to me.  We should be able to incorporate this for the next draft revision.
> 
> On Thu, Jul 9, 2020 at 3:42 PM Mark Andrews <marka@isc.org <mailto:marka@isc.org>> wrote:
> We should use “HTTPS 0 .” to signal that there is no service offered. Similarly for SVCB. 
> 
> Currently “.” has no useful purpose in the alias form.
> 
> -- 
> Mark Andrews
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