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Re: Intermediaries interfering with DNT decision making

From: Roy T. Fielding <fielding@gbiv.com>
Date: Tue, 11 Sep 2012 12:01:40 -0700
Message-Id: <E72CA163-83AF-43CA-B5CB-2C47044E2F92@gbiv.com>
Cc: "<public-tracking@w3.org>" <public-tracking@w3.org>
To: "<rob@blaeu.com>" <rob@blaeu.com>
Yes. The only reason to do that is if you specifically want to see the response for that UA. 

Likewise, if the user of IE changes its User-agent string, then this Apache config will not drop its signal. The configuration only impacts a specific version of IE.

....Roy


On Sep 11, 2012, at 11:50 AM, Rob van Eijk <rob@blaeu.com> wrote:

> 
> Roy,
> 
> I guess if I change my User Agent to a default IE10 string while surfing the web within Firefox, Apache drops that DNT as well. (for instance with a useragent switching add-on).
> 
> Is that a correct observation?
> 
> Rob
> 
> Roy T. Fielding schreef op 2012-09-11 19:59:
>> On Sep 10, 2012, at 11:06 AM, Joseph Lorenzo Hall wrote:
>> 
>>> I believe the "unset" operation in apached config doesn't change DNT from 1 to 0 but instead strips the DNT part of the header out entirely. Someone correct me if I'm wrong. best, Joe
>> 
>> That is correct.  It leaves the message in the same state it would have
>> been before IE tried (and failed) to implement DNT, and adds an
>> environment variable for further processing if desired.
>> 
>> ....Roy
> 
> 
Received on Tuesday, 11 September 2012 19:02:06 UTC

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