There are many rulings against 4chan in Russia and while I'm not sure about the status right now, they used simple DNS blocks back in the day what is somewhat e

There are many rulings against 4chan in Russia and while I'm not sure about the status right now, they used simple DNS blocks back in the day what is somewhat easy to avoid for semi computer literate people. VPNs are also obviously popular. If you end up in a blacklist it's forbidden to read, distribute etc these links. You can check rublacklist.net for more detailed stuff and rulings.