DEFENSES

ech-esni   Encrypted ClientHello / ESNI

Hide the SNI value from the censor, defeating SNI-based blocking.

Synonyms: ECH, ESNI

11 PAPERS ON FILE

• 2025-niere-encrypted Encrypted Client Hello (ECH) in Censorship Circumvention Free and Open Communications on the Internet · 2025
• 2025-vafa-learning Learning from Censored Experiences: Social Media Discussions around Censorship Circumvention Technologies Symposium on Security \& Privacy · 2025
• 2021-kwan-exploring Exploring Simple Detection Techniques for DNS-over-HTTPS Tunnels Free and Open Communications on the Internet · 2021
• 2021-xue-throttling Throttling Twitter: an emerging censorship technique in Russia Internet Measurement Conference · 2021
• 2020-gfw-esni-blocking Exposing and Circumventing China's Censorship of ESNI gfw.report · 2020
• 2019-chai-importance On the Importance of Encrypted-SNI (ESNI) to Censorship Circumvention Free and Open Communications on the Internet · 2019
• 2019-sheffey-improving Improving Meek With Adversarial Techniques Free and Open Communications on the Internet · 2019
• 2015-crandall-forgive Forgive Us our SYNs: Technical and Ethical Considerations for Measuring Internet Filtering Ethics in Networked Systems Research · 2015
• 2013-anderson-dimming Dimming the Internet: Detecting Throttling as a Mechanism of Censorship in Iran University of Pennsylvania · 2013
• 2012-appelbaum-technical Technical analysis of the Ultrasurf proxying software The Tor Project · 2012
• 2012-verkamp-inferring Inferring Mechanics of Web Censorship Around the World Free and Open Communications on the Internet · 2012