According to Leonid Evdokimov, some providers have their own list of prohibited resources.
The developer of the Tor Project Leonid Evdokimov at the CryptoIntallFest conference told that the Wi-Fi operator of the Moscow Metro MaximTelecom helps Roskosnadzor to block the protocol for the SOCKS5 proxy server in Telegram. This was reported by IT specialist Philip Culin.
If you use the network mt_free in the Moscow metro and use Telegram with SOCS-5 – you shine on it. Some large providers have some kind of their centralized list of prohibited resources, which compares before the official one.
turned to Evdokimov and MaximTelecom, but he did not get an operative answer.
Last updated at 16:42 : Evdokimov specified that he spoke not only about “MaximTelecom”, but also about other communication providers.
It can be both MaximTelecom and their uplinks: MTS, Megaphone and other organizations that have access to traffic between the subway car and the Socks5 server in the US. For example, a recipient of “mirrored” traffic to some lawful interception (for example, SORM) can also engage in such activities.