[tor-bugs] #20216 [Metrics/Censorship analysis]: Iran blocking of vanilla and obfs3, 2016-08 and 2016-09

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#20216: Iran blocking of vanilla and obfs3, 2016-08 and 2016-09
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 Reporter:  dcf                          |          Owner:
     Type:  defect                       |         Status:  new
 Priority:  Medium                       |      Milestone:
Component:  Metrics/Censorship analysis  |        Version:
 Severity:  Normal                       |     Resolution:
 Keywords:  censorship block             |  Actual Points:
Parent ID:                               |         Points:
 Reviewer:                               |        Sponsor:
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Comment (by dcf):

 Replying to [comment:1 mrphs]:
 > Looking at a couple of other countries, it seems obfs3 has been dropped
 for everyone at the same rate. Here's Germany and Russia for instance:
 >
 > DE: https://metrics.torproject.org/userstats-bridge-
 combined.html?start=2016-06-24&end=2016-09-22&country=de
 >
 > RU: https://metrics.torproject.org/userstats-bridge-
 combined.html?start=2016-06-24&end=2016-09-22&country=ru
 >
 > So perhaps it's not about obfs3 being blocked.

 You're right. Here's the graph of the most popular transports across all
 countries.
   [[Image(userstats-bridge-
 transport-2016-06-24-2016-09-22-obfs3-obfs4-meek-<OR>.png)]]
 [https://metrics.torproject.org/userstats-bridge-
 transport.html?start=2016-06-24&end=2016-09-22&transport=obfs3&transport=obfs4&transport=meek&transport=%3COR%3E
 link]
 obfs4 took a hit at the same time too, but didn't go to zero.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20216#comment:4>
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