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Forum for discussing Internet censorship circumvention

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Measuring the Deployment of Network Censorship Filters at Global Scale Ram Sundara Raman, Adrian Stoll, Jakub Dalek, Reethika Ramesh, Will Scott, Roya Ensafi https://censorbib.nymity.ch/#Raman2020a https://censoredplanet.org/filtermap The paper describes FilterMap, a...

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Salmon: Robust Proxy Distribution for Censorship Circumvention Frederick Douglas, Rorshach, Weiyang Pan, and Matthew Caesar https://censorbib.nymity.ch/#Douglas2016a http://caesar.cs.illinois.edu/papers/salmon-pets16.pdf Salmon is a system designed for censorship circumvention that relies on a network...

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MassBrowser: Unblocking the Censored Web for the Masses, by the Masses Milad Nasr, Hadi Zolfaghari, Amir Houmansadr, Amirhossein Ghafari https://censorbib.nymity.ch/#Nasr2020a https://massbrowser.cs.umass.edu/ MassBrowser is a multi-modal circumvention system that aims to...

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Via [V2EX](https://v2ex.com/t/618716) (Chinese, registration required) and [China Digital Times](https://chinadigitaltimes.net/chinese/2019/11/%e4%b8%8d%e6%ad%bb%e9%b8%9f-%e9%85%b7%e9%b8%9f%e6%b5%8f%e8%a7%88%e5%99%a8%ef%bc%9a%e5%90%88%e8%a7%84%e5%90%88%e6%b3%95%e7%9a%84%e5%87%ba%e5%9b%bd%e6%b5%8f%e8%a7%88%e5%99%a8%ef%bc%9f/) (Chinese), news of a Chinese web browser called [Kuniao browser](https://ie.kuniao.com/) (酷鸟浏览器 or Cool Bird browser) that advertises the ability to access...

China

SymTCP: Eluding Stateful Deep Packet Inspection with Automated Discrepancy Discovery Zhongjie Wang, Shitong Zhu, Yue Cao, Zhiyun Qian, Chengyu Song, Srikanth V. Krishnamurthy, Kevin S. Chan, Tracy D. Braun https://censorbib.nymity.ch/#Wang2020a...

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On 2020-03-26, users in China reported an HTTPS MITM of [pages.github.com](https://pages.github.com/). I found this out from #ooni IRC. * [Github pages 的 HTTPS 是不是出问题了?](https://www.v2ex.com/t/656367) ([archive](https://web.archive.org/web/20200326192500/https://www.v2ex.com/t/656367)) @tomac4t archived the MITM certificates...

China

An Empirical Study of the Cost of DNS-over-HTTPS Timm Böttger, Felix Cuadrado, Gianni Antichi, Eder Leão Fernandes, Gareth Tyson, Ignacio Castro, Steve Uhlig https://doi.org/10.1145/3355369.3355575 This research compares the cost of...

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An End-to-End, Large-Scale Measurement of DNS-over-Encryption: How Far Have We Come? Chaoyi Lu, Baojun Liu, Zhou Li, Shuang Hao, Haixin Duan, Mingming Zhang, Chunying Leng, Ying Liu, Zaifeng Zhang, Jianping...

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Author: Anonymous Date: Sunday, March 08, 2020 **Credits**: GFW Report did not contribute in any step of this work. All credits goes to [gfwrev](https://twitter.com/gfwrev). [中文版: GFW考古:gfw-looking-glass.sh](https://gfw.report/blog/gfw_looking_glass/zh) This report first appeared...

China

Zhiniang Peng (@edwardz246003) of Qihoo 360 Core Security has discovered and disclosed a devastating vulnerability in Shadowsocks stream ciphers. Under modest assumptions, an attacker can get *full decryption* of recorded...