Wi-Fi in the Moscow metro keeps track of the proxies that passengers use to login to Telegram. About CryptoInstallFest told the security officer Leonid Evdokimov.
In his Telegram-channel, IT consultant of the Fund of struggle against corruption Vladislav Stolnikov asked how the provider «Maximalism», the service network MT_FREE in the subway tracks proxy SOCKS5 Protocol.
It works like this:
1. You connect to Telegram via SOCKS5 proxy via Wi-Fi in the subway.
2. After some time on knocking this proxy server in the datacenter of the company and check the availability of the Telegram.
3. IP proxy blocked RCN.
Later he Evdokimov has denied the charges Zdolnikava to the «Maximalism»: in his view, the tracking proxy can do not the provider, and MTS, «MegaFon» and other companies that provide traffic channels.
«Maximalism» also called the words Zdolnikava untrue: «the company is not and has never been servers in the data center «MegaFon» and we can’t identify proxy servers».
The Telegram messenger is blocked in Russia since April of the current year by the decision of the Tagansky court of Moscow. Roskomnadzor, responsible for the termination of access, blocking millions of IP addresses, which caused repeated problems with other services.