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Re: The future of forward proxy servers in an http/2 over TLS world

Kari Hurtta <hurtta-ietf@elmme-mailer.org> Fri, 17 February 2017 05:30 UTC

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To: Adrien de Croy <adrien@qbik.com>
Date: Fri, 17 Feb 2017 07:25:55 +0200
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From: Kari Hurtta <hurtta-ietf@elmme-mailer.org>
CC: Kari Hurtta <hurtta-ietf@elmme-mailer.org>, HTTP working group mailing list <ietf-http-wg@w3.org>, Ryan Hamilton <rch@google.com>
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Subject: Re: The future of forward proxy servers in an http/2 over TLS world
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Adrien de Croy <adrien@qbik.com>: (Fri Feb 17 07:05:28 2017)
> 
> I fail to see what a side-channel would even add in this case.
> 
> There's already communication between the client and the proxy.  It's 
> the CONNECT request message and its response.
> 
> It was the abandonment of that response in non-200 cases that led to the 
> need to deploy MitM.

For that use case I suggested change for browser UI (show
buttow for [View proxy message] and "navigate" to that message
and change location bar to reflect proxy URL).

That is even needed for regular CONNECT errors (when
proxy is not doing blocking).

/ Kari Hurtta

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