gfw-report

trojan-go. 使用最新的uTLS来缓解GFW自2022年10月3日以来的大规模封锁。 Use the latest uTLS library to mitigate the GFW's large scale blocking since October 3, 2022.

usenixsecurity23-artifact. This repo includes the artifacts for the USENIX Security 2023 paper How China Detects and Blocks Fully Encrypted Traffic: https://gfw.report/publications/usenixsecurity23/en/

shadowsocks-rust. 我们有证据表明这个修改版的Shadowsocks-rust可以绕过当前GFW对Shadowsocks的检测和封锁。(https://gfw.report/publications/usenixsecurity23/zh/#sec:popcount) | We have evidences that this modified Shadowsocks-rust can bypass the detection and blocking by the GFW. (https://gfw.report/publications/usenixsecurity23/en/#sec:popcount)

ndss25-wallbleed. This repo includes the artifacts for the NDSS 2025 paper "Wallbleed: A Memory Disclosure Vulnerability in the Great Firewall of China": https://gfw.report/publications/ndss25/en/

sp25-regional. This repo contains the artifacts for the S&P 2025 paper "A Wall Behind A Wall: Emerging Regional Censorship in China": https://gfw.report/publications/sp25/en/

get-tls-fingerprints. This script reads from pcap or line-separated hex stream files, and writes the TLS fingerprint IDs of each TLS Clienthello in CSV.

usenixsecurity25-quic-sni. This repo includes the artifacts for the USENIX Security 2025 paper "Exposing and Circumventing SNI-based QUIC Censorship of the Great Firewall of China": https://gfw.report/publications/usenixsecurity25/en/

censorbib. The Internet censorship bibliography.

bbs. Forum for discussing Internet censorship circumvention

tls-fingerprint. TeX

imc20-shadowsocks. This repo contains the artifacts for the IMC 2020 paper "How China Detects and Blocks Shadowsocks": https://gfw.report/publications/imc20/en/

bibtex. Basic parser for bibtex

utls. Fork of the Go standard TLS library, providing low-level access to the ClientHello for mimicry purposes.