[tbb-dev] EFFs privacy badger, tracking protection

Chris Hemsing Chris.Hemsing at hemsing.eu
Tue May 21 06:10:48 UTC 2019

I don't know the details of the tests of panoticlick.eff.org.

However, it seems an external attempt to track my browser.
Preventing fingerprinting is reported fine with tor browser.

However the panopticlick report with tor browser otherwise reports:

Is your browser blocking tracking ads?     ⚠ partial protection
Is your browser blocking invisible trackers?     ⚠ partial protection

In case this is a correct finding, one should investigate the "partial protection".
In case this is an artefact of panopticlick meeting tor browser, then at least 
one should give a hint to the developers of panopticlick about their test being 


On 07/05/2019 17:47, Tom Ritter wrote:
> Tor Browser prevents tracking through the user of Permanent Private
> Browsing mode, Fingerprinting Protection, First Party Isolation, and
> Stream Isolation. So while we load the trackers (that Privacy Badger
> would block) - they are ineffective at actually performing the
> tracking.
> -tom
> On Tue, 7 May 2019 at 08:29, Chris Hemsing <Chris.Hemsing at hemsing.eu> wrote:
>> Take standard firefox, install eff.org's privacy badge and check the tracking with:
>> https://panopticlick.eff.org/
>> The result is: Protection from tracking is fine with the exception of
>> fingerprinting.
>> They recommend using the tor browser to defend against browser fingerprinting!!
>> Next you take tor browser and have tracking checked with
>> https://panopticlick.eff.org/.
>> Of course, now the result is: the are gaps in the protection against tracking
>> but protection against fingerprinting is fine.
>> This means, ou should install "privacy badge".
>> But next tor browser prevents the installation of "privacy badge"! Bang!
>> Thus, either
>> a) don't use tor browser and have tracking protection with the exception of
>> fingerprinting, or
>> b) use tor browser and have many gaps in tracking protection.
>> As installing privacy badge used to work in the past, I fear the impossibility
>> of installing privacy badge is a feature rather than a bug.
>> So you end up with being tracked with or without out using the tor browser!!
>> My proposal would be to integrate "privacy badger" just as it is the case with
>> "HTTPS Everywhere".
>> Chris
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