DEFENSES

obfs4   obfs4 (randomized handshake)

6 PAPERS ON FILE

• 2025-pereira-position Position Paper: A Case for Machine-Checked Verification of Circumvention Systems Free and Open Communications on the Internet · 2025
• 2020-frolov-detecting Detecting Probe-resistant Proxies Network and Distributed System Security · 2020
• 2015-frolov-the-use-of-tls The use of TLS in censorship circumvention NDSS · 2019
• 2015-ensafi-active-probing Examining how the Great Firewall discovers hidden circumvention servers IMC · 2015
• 2015-wang-seeing Seeing through Network-Protocol Obfuscation Computer and Communications Security · 2015
• 2012-lincoln-bootstrapping Bootstrapping Communications into an Anti-Censorship System Free and Open Communications on the Internet · 2012