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

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Feb 24 11:15:53 UTC 2016

#18361: Issues with corporate censorship and mass surveillance
 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:                                |

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.
 Your test data is outdated. Testing against change.org (fronted by
 CloudFlare), right now 92% of the exit nodes are blocked (7.5% time
 out/completely block connections, the rest serves captchas). Most of the
 non-blocked exit nodes are tiny, so 99.9% of the Tor traffic will be
 blocked taking the exit node selection algorithm into account.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18361#comment:120>
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