Chinese firewall

Internet censorship in China is extreme due to a wide variety of laws and administrative regulations. More than sixty Internet regulations have been created by the government of China, which have been implemented by provincial branches of state-owned ISPs, companies, and organizations. The apparatus of China's Internet control is considered more extensive and more advanced than in any other country in the world. The governmental authorities not only block website content but also monitor the Internet access of individuals; such measures have attracted the derisive nickname "The Great Firewall of China."

Amnesty International notes that China "has the largest recorded number of imprisoned journalists and cyber-dissidents in the world" and Paris-based Reporters Without Borders stated in 2010 and 2012 that "China is the world's biggest prison for netizens." The offences of which they are accused include communicating with groups abroad, signing online petitions, and calling for reform and an end to corruption. The escalation of the government's effort to neutralize critical online opinion and organizing comes after a series of large, anti-pollution, anti-corruption protests, and ethnic riots, many of which were organized or publicized using instant messaging services, chat rooms, and text messages. The size of the Chinese Internet police force was reported by the state government to be 2 million in 2013.

Carrie Gracie wrote that local Chinese businesses such as Baidu, Tencent, and Alibaba, some of the world's largest internet enterprises, benefited from the way China has blocked international rivals from the market, encouraging domestic competition.

The political and ideological background of the Internet censorship is considered to be one of Deng Xiaoping's favorite sayings in the early 1980s: "If you open a window for fresh air for longer than 10 hours, you have to expect some flies to blow in." The saying is related to a period of the economic reform of China that became known as the "socialist market economy". Superseding the political ideologies of the Cultural Revolution, the reform led China towards a market economy and opened up the market for foreign investors. Nonetheless the Communist Party of China has wished to protect its values and political ideas from "swatting flies" of other ideologies, with a particular emphasis on suppressing movements that could potentially threaten the power of the CPC and the stability of the Chinese state.

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Wikipedia