The Citizen Lab at the University of Toronto<OD>

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Psiphon is an open-source relay-based internet censorship circumvention tool utilizing a combination of secure communication and obfuscation technologies. It is a centrally managed, and geographically diverse network of thousands of proxy servers, using a performance-oriented, single and multi hop architecture. In 2014, maliciously repackaged psiphon was found. Blog I User Guide I FAQ

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