Internet censorshipInternet censorship is the legal control or suppression of what can be accessed, published, or viewed on the Internet. Censorship is most often applied to specific internet domains (such as, for example, Wikipedia.org) but exceptionally may extend to all Internet resources located outside the jurisdiction of the censoring state. Internet censorship may also put restrictions on what information can be made internet accessible.
Internet in ChinaChina has been on the Internet intermittently since May 1989 and on a permanent basis since 20 April 1994, although with heavily filtered access. In 2008, China became the country with the largest population on the Internet and, , has remained so. As of July 2023, 1.05 billion (73.7% of the country's total population) use internet in China. China's first foray into the global cyberspace was an email (not TCP/IP based and thus technically not internet) sent on 20 September 1987 to the Karlsruhe Institute of Technology, reading, "Across the Great Wall, towards the rest of the world" ().
Internet censorship in ChinaChina censors both the publishing and viewing of online material. Many controversial events are censored from news coverage, preventing many Chinese citizens from knowing about the actions of their government, and severely restricting freedom of the press. China's censorship includes the complete blockage of various websites, apps, video games, inspiring the policy's nickname, the "Great Firewall of China", which blocks websites.
Deep packet inspectionDeep packet inspection (DPI) is a type of data processing that inspects in detail the data being sent over a computer network, and may take actions such as alerting, blocking, re-routing, or logging it accordingly. Deep packet inspection is often used for baselining application behavior, analyzing network usage, troubleshooting network performance, ensuring that data is in the correct format, checking for malicious code, eavesdropping, and internet censorship, among other purposes.
Golden Shield ProjectThe Golden Shield Project (), also named National Public Security Work Informational Project, is the Chinese nationwide network-security fundamental constructional project by the e-government of the People's Republic of China. This project includes a security management information system, a criminal information system, an exit and entry administration information system, a supervisor information system, a traffic management information system, among others. The Golden Shield Project is one of the 12 important "golden" projects.
Classified informationClassified information is material that a government body deems to be sensitive information that must be protected. Access is restricted by law or regulation to particular groups of people with the necessary security clearance and need to know, and mishandling of the material can incur criminal penalties. A formal security clearance is required to view or handle classified material. The clearance process requires a satisfactory background investigation.
Tor (network)Tor, short for The Onion Router, is free and open-source software for enabling anonymous communication. It directs Internet traffic via a free, worldwide, volunteer overlay network that consists of more than seven thousand relays. Using Tor makes it more difficult to trace a user's Internet activity. Tor protects personal privacy by concealing a user's location and usage from anyone performing network surveillance or traffic analysis. It protects the user's freedom and ability to communicate confidentially through IP address anonymity using Tor exit nodes.
1989 Tiananmen Square protests and massacreThe Tiananmen Square protests, known in Chinese as the June Fourth Incident were student-led demonstrations held in Tiananmen Square, Beijing, China, lasting from 15 April to 4 June, 1989. On the night of 3 June, after weeks of attempts to resolve the conflict peacefully, including negotiations from both sides, the Chinese government declared martial law, and deployed troops to occupy the Square in what is often referred to as the Tiananmen Square massacre.
Internet censorship circumventionInternet censorship circumvention, also referred to as going over the wall () or scientific browsing () in China, is the use of various methods and tools to bypass internet censorship. Various techniques and methods are used to bypass Internet censorship, and have differing ease of use, speed, security, and risks. Some methods, such as the use of alternate DNS servers, evade blocking by using an alternate address or address lookup system to access the site.
Censorship in ChinaCensorship in the People's Republic of China is mandated by the PRC's ruling party, the Chinese Communist Party (CCP). It is one of the strictest censorship regimes in the world. The government censors content for mainly political reasons, such as curtailing political opposition, and censoring events unfavorable to the CCP, such as the 1989 Tiananmen Square protests and massacre, pro-democracy movements in China, the Uyghur genocide, human rights in Tibet, Falun Gong, pro-democracy protests in Hong Kong, and aspects of the COVID-19 pandemic.