[tor-project] Research paper on differential treatment of anonymous users

Griffin Boyce griffin at cryptolab.net
Sat Feb 27 13:34:16 UTC 2016

Hey all,

   Just wanted to point to Sadia Afroz / David Fifield et al's research 
on differential treatment of anonymous users -- such as CloudFlare's 
blocking of Tor users.  Unfortunately, it's not "just" CloudFlare (which 
holds substantial market share) and it's not "just" Tor users who are 
impacted by these things.  It's a good read:


   One curious finding is that some sites only block large exits.  I'd be 
curious if an intended side effect were the ability to say "Oh we only 
block 15% of Tor exits" rather than saying "We block [>>15%] of Tor 
connections". Thoughts?


“We have to create; it is the only thing louder than destruction.”
~ Andrea Gibson

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