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Forum for discussing Internet censorship circumvention

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For several months now, there has been evidence that some ISPs in Iran are intermittently blocking ESNI. The highest blockage was observed in MCI (AS197207) and then in Shatel (AS31549)....

Iran

In recent weeks, there have been many reports of VPNs being blocked in Iran. But that is not all. In recent days, the Islamic Republic has blocked Chrome TLS fingerprint...

Iran

Roskomnadzor published a press release on 2022-02-25 announcing plans to "partially restrict" access to Facebook, in retaliation for restrictions by Facebook on the accounts of certain Russia media organizations. https://rkn.gov.ru/news/rsoc/news74108.htm...

Russia

I was recently trying to use Chromium's network library for parroting, but I saw `[0503/130502.548494:ERROR:cert_verify_proc_builtin.cc(603)] No net_fetcher for performing AIA chasing.` using a bare configuration. I wonder: Can a sufficiently...

Hey all, Thanks to David Fifield for invitation to this forum. WireGuard is known to be one of the most secure and fastest (due to kernel space implementation) VPN protocols....

https://explorer.ooni.org/chart/mat https://ooni.org/post/2022-ooni-mat/ OONI Measurement Aggregation Toolkit (MAT) is a new interface that lets you explore OONI measurements in context with other, nearby measurements. This is useful because you almost never...

https://www.reddit.com/r/indonesia/comments/tzj5h4/help_i_cant_access_reddit_now_megathread/ ([archive](https://web.archive.org/web/20220502181758/https://old.reddit.com/r/indonesia/comments/tzj5h4/help_i_cant_access_reddit_now_megathread/)) A thread on /r/indonesia dated 2022-04-12 says that many ISPs have started blocking encrypted DNS (DNS over HTTP, DNS over TLS, etc.) servers. Apparently, using encrypted DNS had...

Indonesia

Web Censorship Measurements of HTTP/3 over QUIC Kathrin Elmenhorst, Bertram Schütz, Nils Aschenbruck, Simone Basso https://censorbib.nymity.ch/#Elmenhorst2021a The paper is about extending [OONI Probe](https://github.com/ooni/probe) with support for [HTTP/3](https://en.wikipedia.org/wiki/HTTP/3), and the results...

reading group
China
Kazakhstan
India
Iran

During [a research to identify middleboxes](https://wikicensorship.github.io/fa/docs/measure-internet-censorship/DNS/find-DNS-hijacker/), I developed a tool that, in addition to its main purpose, is visualizing using the data it obtains, as well as the ability to...

Iran

The government is Kazakhstan has imposed an Internet shutdown since 2022-01-05 10:30 (16:30 [Almaty time](https://en.wikipedia.org/wiki/Time_in_Kazakhstan)). Since then, it looks like access has been occasionally restored, for about 3 hours at...

Kazakhstan