Re: [Acme] Proposed changes to TLS-SNI, autorenewal removal

"Salz, Rich" <rsalz@akamai.com> Fri, 22 January 2016 19:20 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Andrew Ayer <agwa@andrewayer.name>, Hugo Landau <hlandau@devever.net>
Thread-Topic: [Acme] Proposed changes to TLS-SNI, autorenewal removal
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Date: Fri, 22 Jan 2016 19:20:32 +0000
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Subject: Re: [Acme] Proposed changes to TLS-SNI, autorenewal removal
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> Agreed, but that doesn't mean the ACME server has to check for such a SAN.

Agreed.

> So I say keep the client-side part of the spec the same, but change item
> three of the server-side part to say:
> 
> "Verify that the certificate contains a subjectAltName extension containing a
> dNSName entry of SAN B.  The comparison MUST be insensitive to case and
> ordering of names."

In other words, follow the rules of subjectAltName per the RFC.  So perhaps strike the last sentence.