Russian Court ordered to Telegram Messenger to hand over the encryption keys to the concern authorities ( Country’s Federal Security Service (FSB)) to views the user’s data.
Later Russia banned Telegram Messenger a few months back after Telegram refuses to hand over the encryption keys.
Also, Telegram said those demands would be impossible to implement since the keys were stored on users’ devices
In this attempt of blocking VPN and proxy servers will be very limited and they can able to block the specific number of IP address.
Last month 3 subnets were removed by Roskomnadzor As part of a package of measures to enforce a court decision against Telegram 220.127.116.11/11 (Amazon), 18.104.22.168/12 (Amazon), 22.214.171.124/16 (OVH) – it’s just over 3 million addresses as a part of an action to prevent Telegram from switching IPs.
— TASS (@tassagency_en) May 3, 2018
According to Russian News Agency, Telegram’s top officials said that this requirement was impossible to meet technically and tried to challenge it in several court battles, but to no avail. On March 20, 2018, Russia’s Supreme Court rejected the company’s lawsuit.
Similarly, Another Messenger App Viber being block in Russia and regulator sees no preconditions to block Viber, deputy head of the regulator Vadim Subbotin told reporters on Thursday.