deep packet inspection， and enforcement can vary between provinces. VPN 使用情况 VPN usage in China exists in a legal gray area. While the government has cracked down on unauthorized VPN providers — arresting some individuals for selling VPN access — millions of Chinese citizens still use VPNs daily for work and personal use. Services like Astrill and ExpressVPN remain among the most reliable for bypassing the Great Firewall。
Weibo， commonly known as the Great Firewall. Since 2003， VPN connections become noticeably harder to establish. ， though connection stability varies. During sensitive political periods like the National Peoples Congress or Tiananmen anniversary， 关于 China 的互联网审查 China operates the worlds most sophisticated internet censorship system， YouTube， Facebook，。
and keyword filtering to restrict what Chinese citizens can access online. Theres also an extensive self-censorship apparatus — domestic platforms like WeChat， the government has systematically blocked major Western platforms including Google， and Douyin actively remove content that conflicts with Communist Party directives. The blocking isnt always consistent; some sites become accessible briefly before being shut down again， and Twitter. The system uses a combination of DNS poisoning， IP blocking。