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Tor Project: Anonymity Online

Protect your privacy. Defend yourself against network surveillance and traffic analysis. Tor is free software and an open network that helps you defend against a form of network surveillance that threatens personal freedom and privacy, confidential business activities and relationships, and state security known as traffic analysisLearn more about Tor » Tor protects you by bouncing your communications around a distributed network of relays run by volunteers all around the world: it prevents somebody watching your Internet connection from learning what sites you visit, and it prevents the sites you visit from learning your physical location. // Дальше — www.torproject.org