[metrics-bugs] #20785 [Metrics/Censorship analysis]: Block of some direct users in Saudi Arabia, 2016-11-20

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#20785: Block of some direct users in Saudi Arabia, 2016-11-20
-----------------------------------------+------------------------------
 Reporter:  dcf                          |          Owner:  metrics-team
     Type:  project                      |         Status:  new
 Priority:  Medium                       |      Milestone:
Component:  Metrics/Censorship analysis  |        Version:
 Severity:  Normal                       |     Resolution:
 Keywords:  censorship block sa          |  Actual Points:
Parent ID:                               |         Points:
 Reviewer:                               |        Sponsor:
-----------------------------------------+------------------------------
Description changed by dcf:

Old description:

> On 2016-11-20, the number of direct users dropped from about 8000 to
> about 5500. There was a simultaneous increase in bridge users from about
> 500 to over 1200.
>
> [[Image(userstats-relay-country-sa-2016-08-28-2016-11-26-off.png)]]
> [https://metrics.torproject.org/userstats-relay-
> country.html?start=2016-08-28&end=2016-11-26&country=sa&events=off link]
>
> [[Image(userstats-bridge-country-sa-2016-08-28-2016-11-26.png)]]
> [https://metrics.torproject.org/userstats-bridge-
> country.html?start=2016-08-28&end=2016-11-26&country=sa link]
>
> [[Image(userstats-bridge-combined-sa-2016-08-28-2016-11-26.png)]]
> [https://metrics.torproject.org/userstats-bridge-
> combined.html?start=2016-08-28&end=2016-11-26&country=sa link]

New description:

 On 2016-11-20, the number of direct users dropped from about 8000 to about
 5500. There was a simultaneous increase in bridge users (mostly obfs4)
 from about 500 to over 1200.

 One month later, on 2016-12-22, the number of bridge users dropped again,
 almost back to where it was before.

 [[Image(userstats-relay-country-sa-2016-08-28-2017-06-01-off.png)]]
 [https://metrics.torproject.org/userstats-relay-
 country.html?start=2016-08-28&end=2017-06-01&country=sa&events=off link]

 [[Image(userstats-bridge-country-sa-2016-08-28-2017-06-01.png)]]
 [https://metrics.torproject.org/userstats-bridge-
 country.html?start=2016-08-28&end=2017-06-01&country=sa link]

 [[Image(userstats-bridge-combined-sa-2016-08-28-2017-06-01.png)]]
 [https://metrics.torproject.org/userstats-bridge-
 combined.html?start=2017-06-01&end=2016-11-26&country=sa link]

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20785#comment:1>
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