[tor-bugs] #2718 [Metrics]: Analyze Tor usage data for ways to automatically detect country-wide blockings

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#2718: Analyze Tor usage data for ways to automatically detect country-wide
blockings
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 Reporter:  karsten  |          Owner:          
     Type:  task     |         Status:  assigned
 Priority:  normal   |      Milestone:          
Component:  Metrics  |        Version:          
 Keywords:           |         Parent:          
   Points:           |   Actualpoints:          
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Comment(by karsten):

 Here's a reply to George's first mail from Robert Ransom, pasted with his
 permission:

 Replying to [comment:2 karsten]:
 > - [Freakish weekly patterns] Some jurisdictions show a very strange
 weekly pattern, that even the 7-day window detector sometimes mistakes (?)
 as an attack. Have a look at the series for "Kr" (South Korea): there is a
 weekly variation between 5K to 20K users -- high in week days and low in
 the weekend. This is not typical -- it is the only jurisdictions where
 such a variation is observed. Do you know why that is? Other jurisdictions
 with similar pronounced weekly patterns are: tw (Taiwan), et (Ethiopia),
 id (indonesia). What is going on there?

 Perhaps employers and/or schools in KR censor their employees' and/or
 students' Internet access heavily, and Tor is very popular there as a
 firewall circumvention tool but not as a privacy tool.  Or perhaps
 employers in KR are paranoid and require their employees to use Tor
 when browsing at work, and their employees don't care quite so much
 about their own personal privacy when browsing at home on the weekends.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2718#comment:5>
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