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Re: [dns-privacy] [Fwd: New Version Notification for draft-vandijk-dprive-ds-dot-signal-and-pin-00.txt]

Paul Wouters <paul@nohats.ca> Thu, 28 May 2020 01:55 UTC

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Date: Wed, 27 May 2020 21:55:23 -0400
From: Paul Wouters <paul@nohats.ca>
To: Petr Špaček <petr.spacek@nic.cz>
cc: dns-privacy@ietf.org
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Subject: Re: [dns-privacy] [Fwd: New Version Notification for draft-vandijk-dprive-ds-dot-signal-and-pin-00.txt]
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On Wed, 27 May 2020, Petr Špaček wrote:

> - I don't see any traction for draft-ietf-tls-dnssec-chain-extension. Do you see any evidence it is going to change?

The draft has been resubmitted for the ISE stream (not TLS WG) as  draft-dukhovni-tls-dnssec-chain

Stubby already implements it. We do so traction and a lot of interest.
Viktor wants to add support to openssl.

But we are unfortunately waiting on the ISE :/

> - If I'm not mistaken authoritative servers implementing draft-ietf-tls-dnssec-chain-extension would need to add DNS resolver to refresh chain of records leading to TLSA records under their name:

No. An external progam can update the blob and regularly rewrite it. The
DNS auth server can pick it up using inotify or something.

> b) Auth servers nowadays do not even know all their _names_ and do not care/need to know. How would we solve that?

Whatever part talks TLS, knows the certificate it is using, and can pull
the SAN with FQDN from the certificate.

Paul

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