Commit 3d5efec2 authored by Tails developers's avatar Tails developers
Browse files

Add fingerprinting known issues.

parent 4ebb039e
......@@ -94,13 +94,24 @@ Fingerprint
<!-- If this section is empty adjust the [[fingerprint documentation|doc/about/fingerprint]]. -->
Tails and TBB reports different fonts as being available
--------------------------------------------------------
Tails and TBB report different DOM storage support
--------------------------------------------------
Some websites use JavaScript to help determine which fonts are available
on a web browser. Tails browser and the TBB report different fonts as
being available. This difference can be used to distinguish Tails users
from TBB users.
Some websites use [[!wikipedia DOM storage]] is available in the
browser. Tails browser does not allow DOM storage yet, while the TBB
does (probably safely). This difference can be used to distinguish
Tails users from TBB users. This [[will be
fixed|todo/iceweasel_DOM_storage_isolation]] in a future release
of Tails.
Tails does not handle image cache the same way as TBB
-----------------------------------------------------
The latest and greatest TBB isolates image cache to URL bar domain.
Tails does not do so yet. This difference can be used to distinguish
Tails users from TBB users. This [[will be
fixed|todo/iceweasel_image_cache_isolation]] in a future release
of Tails.
Other issues
============
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