Tandon in the News

Some websites turning law-abiding Tor users into second-class citizens

Tor users blocked or faced with CAPTCHA if IP address matches known exit node.


About 1.3 million IP addresses—including those used by Google, Yahoo, Craigslist, and Yelp—are turning users of the Tor anonymity network into second-class Web citizens by blocking them outright or degrading the services offered to them, according to a recently published research paper.

Titled "Do You See What I See? Differential Treatment of Anonymous Users," the paper said 3.67 percent of websites in the Alexa 1,000 discriminated against computers visiting with known Tor exit-node IP addresses. 

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