It uses the Internet's ability to tell where you are geographically speaking in order to block content Network wise. It has nothing at all to do with the Great Firewall of China, although there are those who would love to allow you to think that.
How China Blocks the Tor Anonymity Network | MIT Apr 04, 2012 Young people in China don't know the internet we do – and Sep 05, 2018 How China built Great Firewall, and how web users can Mar 21, 2019
Breaking the Great Firewall of China: Sentinel dVPN and SOCKS5
Great-Firewall. A network security project completed by myself and my good friend Danny Deng-Winter that investigates the on-path "Great Firewall of China". 1. Proof. Show via direct TCP connection to a server in China the existance of the Great firewall More about the Great Firewall: Every day since Nov. 17, 2014, ProPublica has been testing whether the homepages of international news organizations are accessible to browsers inside China. See the
List of websites blocked in mainland China - Wikipedia
Apr 06, 2016 How the Great Firewall of China is Blocking Tor How the Great Firewall of China is Blocking Tor. This study investigated how the Great Firewall of China (GFC) is blocking the Tor anonymity network. Tor is an overlay network which provides its users with anonymity on the Internet. A more detailed explanation is available on … The Great Firewall of China The Great Firewall of China Ruiwei Bu CSC 540 1. Definition The Great Firewall of China, or simplified as Great Firewall (GFW), is part of China’s “Golden Shield” Project. The project mainly focusing on Internet security, control and censorship. The name comes from a paper named The Great Firewall of China by Charles R. Smith in 2002.