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Re: explicitly authenticated proxy: new draft

From: Diego R. Lopez <diego@tid.es>
Date: Tue, 17 Jun 2014 00:55:24 +0000
To: Mark Nottingham <mnot@mnot.net>
Cc: Salvatore Loreto <salvatore.loreto@ericsson.com>, Martin Nilsson <nilsson@opera.com>, "<ietf-http-wg@w3.org>" <ietf-http-wg@w3.org>
Message-id: <351E2557-B911-420D-A76A-3C454EAC35E9@tid.es>

On 16 Jun 2014, at 13:54 , Mark Nottingham <mnot@mnot.net> wrote:
>> The mechanism we are proposing is just a way for the Proxy to manifest itself to ask for consent the end user and consequently the browser
>> and then in the case the end user provides the consent for the proxy to stay in between,
> Right, but as Stephen has pointed out separately, doing so has a huge potential affect on the TLS ecosystem.
> Also, how will this work with existing browsers who aren’t aware of your cert extensions?

As far as I can tell Stephen's objections were about a proxy acting as intermediary in a connection using HTTPS, where end-to-end peer authentication takes place. The draft deals with opportunistic TLS, and in this respect the explicit user consent proposed there is an advance with respect what could become a common practice of putting an intermediary the user is completely oblivious to. This can always be done when opportunistic encryption is intended, and proposals like draft-ietf-httpbis-http2-encryption do acknowledge they can only try to mitigate such behaviors.

Be goode,

"Esta vez no fallaremos, Doctor Infierno"

Dr Diego R. Lopez
Telefonica I+D

e-mail: diego@tid.es
Tel:    +34 913 129 041
Mobile: +34 682 051 091


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Received on Tuesday, 17 June 2014 00:55:41 UTC

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