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Re: [TLS] SNI from CDN to Origin (was I-D Action: draft-ietf-tls-sni-encryption-08.txt)

Rob Sayre <sayrer@gmail.com> Thu, 10 October 2019 16:19 UTC

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From: Rob Sayre <sayrer@gmail.com>
Date: Thu, 10 Oct 2019 23:19:21 +0700
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To: "Salz, Rich" <rsalz@akamai.com>
Cc: Eric Rescorla <ekr@rtfm.com>, "TLS@ietf.org" <tls@ietf.org>, Watson Ladd <watsonbladd@gmail.com>
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Subject: Re: [TLS] SNI from CDN to Origin (was I-D Action: draft-ietf-tls-sni-encryption-08.txt)
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On Thu, Oct 10, 2019 at 11:15 PM Salz, Rich <rsalz@akamai.com> wrote:

>
>    - At least one customer of the CDN I work for  (namely my own website)
>    uses an IP address.
>
>
>
> Sure, I get it.  Which is why I said “in our experience.” :)
>
>
>
>    - Shared hosting behind a CDN does exist where clients of the service
>    provider are signed up to the CDN, and it might be interesting  to use ESNI
>    there but the privacy risks are less extreme absent a global passive
>    adversary. Protecting client to shared infrastructure is what ESNI aims to
>    do.
>
>
>
> The real point of this note:  strong +1 for this.
>

Well, either way, it will be interesting to find out if insecure back haul
traffic becomes a point of competition. :)

thanks,
Rob

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