Methods used to block websites and pages include DNS spoofing, blocking access to IP addresses, analyzing and filtering URLs, packet inspection, and resetting connections.  Amnesty International notes that China has "the largest recorded number of imprisoned journalists and cyber-dissidents in the world"  and Reporters Without Borders
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Sep 26, 2014 · China got the internet in 1994. But soon after, the government started working on ways to restrict it. Here's a list of major websites banned in China.
Sep 24, 2017 VPN blocking - Wikipedia VPN blocking is a technique used to block the encrypted protocol tunneling communications methods used by virtual private network (VPN) systems. Often used by large organizations such as national governments or corporations, it can act as a tool for computer security or Internet censorship by preventing the use of VPNs to bypass network firewall systems.
Mar 21, 2014 · Internet Censorship: How Countries Block Their Citizens from Entering Websites By Miguel Leiva-Gomez / Mar 21, 2014 / Internet Iran, Yemen, China, North Korea, Turkey, and many other countries on the globe have at one point or another started employing the practice of censoring the Internet domestically.
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