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SUMMARY:Tor traffic: A second-class citizen on the Internet? - Sheharbano 
 Khattak
DTSTART:20150106T131500Z
DTEND:20150106T134500Z
UID:TALK56853@talks.cam.ac.uk
CONTACT:Heidi Howard
DESCRIPTION:Tor’s success is threatened by differential treatment of Tor
  traffic by a growing number of websites: Tor users cannot post comments o
 ver Slashdot\, edit Wikipedia\, occasionally run into a captcha when searc
 hing over Google\, and are outright refused pages by Yelp. The problem is 
 amplified when this practice is adopted by “bottleneck” websites (thin
 k Cloudflare\, Akamai\, Disqus) whose components are used by many other we
 bsites\, or when Tor exit nodes are listed on blacklists used by a large n
 umber of websites. Currently\, there is no consensus on how websites shoul
 d treat anonymous users and each website operator works out its own policy
 . There are two aspects of this problem: (1) enumeration of websites and s
 ervices that handle Tor traffic different from normal connections\, and (2
 ) propose technical and social solutions that minimise differential treatm
 ent of Tor users while keeping website operators happy. In this talk\, I w
 ill discuss what we are doing to address part 1 of this problem. 
LOCATION:Computer Laboratory\, William Gates Building\, Room FW11
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