[tbb-bugs] #31206 [Applications/Tor Browser]: http://ip-check.info detects browser window size with JS disabled

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Jul 19 13:28:22 UTC 2019


#31206: http://ip-check.info detects browser window size with JS disabled
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 Reporter:  cypherpunks               |          Owner:  tbb-team
     Type:  defect                    |         Status:  closed
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Critical                  |     Resolution:  not a bug
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by cypherpunks):

 Replying to [comment:4 cypherpunks]:
 > Thanks for the example.
 > Hm. What would be the way to avoid this please? Block images? Block
 iframes? Anything else? (use lynx? :P)
 The only way is to use the default settings of the Tor Browser, chances
 are many other people have the same default browser size as you.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31206#comment:5>
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