Re: [tor-bugs] #18361 [Tor Browser]: Issues with corporate censorship and mass surveillance

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#18361: Issues with corporate censorship and mass surveillance
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 Reporter:  ioerror                       |          Owner:  tbb-team
     Type:  enhancement                   |         Status:  new
 Priority:  High                          |      Milestone:
Component:  Tor Browser                   |        Version:
 Severity:  Critical                      |     Resolution:
 Keywords:  security, privacy, anonymity  |  Actual Points:
Parent ID:                                |         Points:
  Sponsor:                                |
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Comment (by cypherpunks):

 Replying to [comment:108 sjmurdoch]:
 > You might feel the blocking rate is higher than it actually is because
 the blocking probability is proportional to the probability of the node
 being selected. So there are plenty of Tor nodes that are unblocked, but
 the chances of you selecting them are very small.

 I'm not convinced.

 I haven't read your paper, just gave it a quick skim, but I'm assuming you
 infer this from the way Tor does path selection (not really randomly), and
 not from any blocking criteria by Cloudflare. If that's the case then that
 probability wouldn't have changed last December. However blocking rates
 did. Very abruptly.

 Have you acquired new data since Dec. 2015? If you haven't I suggest you
 do it and amend your publications accordingly.

 jgrahamc: Could you confirm what/whether you changed?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18361#comment:109>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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