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[tor-bugs] #15733 [Tor Browser]: ftp pages are not isolated in the cache
#15733: ftp pages are not isolated in the cache
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Reporter: arthuredelstein | Owner: tbb-team
Type: defect | Status: new
Priority: normal | Milestone:
Component: Tor Browser | Version:
Keywords: tbb-linkability | Actual Points:
Parent ID: | Points:
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I noticed that if I load
http://arthuredelstein.github.io/tordemos/ftp-in-iframe.html
and
http://arthurtordemos.github.io/tordemos/ftp-in-iframe.html
in two different tabs.
Then I can see that the ftp document,
ftp://ftp.mozilla.org/pub/mozilla.org/
in about:cache. It says "Fetch count: 2" and "No expiration time."
The behavior is inconsistent. Sometimes it looks as though there is only
one network fetch, and sometimes two. Also, the ftp page sometimes
disappears from the cache after a short while, which makes me think "no
expiration time" means "expires pretty soon". The quick expiration means
this is likely not a great linking vector, but I guess it's probably
better to key ftp page caching by url bar domain.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15733>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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