Re: [pkix] How do we differentiate authentic servers from proxies performing TLS interception?

Jeffrey Walton <noloader@gmail.com> Tue, 24 November 2015 22:35 UTC

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Date: Tue, 24 Nov 2015 17:35:55 -0500
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From: Jeffrey Walton <noloader@gmail.com>
To: Peter Bowen <pzbowen@gmail.com>
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Subject: Re: [pkix] How do we differentiate authentic servers from proxies performing TLS interception?
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>> So let me wrap this up... What is the IETF and/or PKIX going to
>> provide us with to discern between authentic servers and
>> proxied/intercepted connections now that Public Key Pinning with
>> Overrides is here?
>>
>> What do I tell my developers?
>
> I'm a little lost.  What are you trying to achieve?  Assuming your
> developers are writing a client app, I see several scenarios:

We are trying to determine when to break a known good pinset for those
who provide a conforming user agent.

Its still not clear to me how to determine the "good" bad guys from
the "bad" bad guys.

Jeff