Great Firewall Report

What We Do

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GFW Report is a long-term censorship monitoring platform, aiming at advancing the understanding and spreading the awareness of Internet censorship. Our platform has a primary focus on the Internet censorship in China as it is one of the most repressive censoring regimes that has been developing and deploying notoriously sophisticated censorship techniques.

News

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April 2023:

• USENIX SECURITY'23: How the Great Firewall of China Detects and Blocks Fully Encrypted Traffic

September 2021:

• Evaluating the censorship resistance of Apple's iCloud Private Relay
• Reflections on Apple's iCloud Private Relay: Does it Really Improve Privacy?

January 2021:

• How to Deploy a Censorship Resistant Shadowsocks-libev Server
• A practical guide to defend against the GFW's latest active probing

October 2020:

• IMC'20: How China Detects and Blocks Shadowsocks

August 2020:

• FOCI'20: Triplet Censors: Demystifying Great Firewall’s DNS Censorship Behavior

August 2020:

• Exposing and Circumventing China's Censorship of ESNI

June 2020:

• Summary on Recently Discovered V2Ray Weaknesses

March 2020:

• GFW Archaeology: gfw-looking-glass.sh

December 2019:

• Report: How China Detects and Blocks Shadowsocks