Re: [TLS] Encrypted SNI

Benjamin Kaduk <bkaduk@akamai.com> Sun, 04 June 2017 20:25 UTC

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To: Toerless Eckert <tte@cs.fau.de>
Cc: "ops-dir@ietf.org" <ops-dir@ietf.org>, "<tls@ietf.org>" <tls@ietf.org>, Benoit Claise <bclaise@cisco.com>, "sec-ads@ietf.org" <sec-ads@ietf.org>, "ops-ads@ietf.org" <ops-ads@ietf.org>, ops-chairs@ietf.org
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From: Benjamin Kaduk <bkaduk@akamai.com>
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Date: Sun, 4 Jun 2017 15:25:46 -0500
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Subject: Re: [TLS] Encrypted SNI
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On 06/02/2017 08:28 AM, Toerless Eckert wrote:
> Another candidate use case coming to mind eg: auditing tht is required in many eg: financial
> environments. In the past i have seen even the requirement for the whole data streams to be unencrypted
> for auditing. Maybe that market segment would also be able to get more privacy but maintain a
> relevant level of auditing if the auditing relevant class of information was visible via
> the cert.

That use case has been extensively discussed (look for the thread
"Industry Concerns about TLS 1.3", also a fair bit of hallway
discussions), and was not seen to provide a compelling argument for any
change in TLS 1.3.  There are purely server-side options that should be
able to provide the necessary functionality (crypto details omitted for
now).

-Ben