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Re: [TLS] TLS@IETF101 Agenda Posted

Andrei Popov <Andrei.Popov@microsoft.com> Tue, 13 March 2018 22:35 UTC

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From: Andrei Popov <Andrei.Popov@microsoft.com>
To: Russ Housley <housley@vigilsec.com>
CC: IETF TLS <tls@ietf.org>
Thread-Topic: [TLS] TLS@IETF101 Agenda Posted
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Date: Tue, 13 Mar 2018 22:35:35 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/U7aJAsBPoAHvqoBE2_anV3US3jc>
Subject: Re: [TLS] TLS@IETF101 Agenda Posted
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  *   Second, using TLS1.2 does not technically address the issue.  If the client were to exclusively offer DHE-based ciphersuites, then the visibility techniques that have been used in the past are thwarted.
  *   Yes, the server cannot use the "tls_visibility" extension unless the client offers it.  This is to enable client opt-in.

It looks like both the TLS1.2 solution and “TLS1.3-visibility” depend on the client to support certain options…

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