Allow users to access the Internet only according to the white list and instant messengers on Mikrotik?

Question

Mikrotik

Hello. There is a task to start up group of users in the Internet only on certain resources. There were no problems with simple Internet resources, since now RouterOS can create lists by domain names. Skype addresses looked in the resource monitor and added manually. Problem with whatsapp and viber. IP addresses are constantly changing.

Answer 1

L7 firewall

Answer 2

You can try:
https://wiki.mikrotik.com/wiki/Manual:IP/Firewall/...
Alternative: In this thread, the user PeterDoBrasil posted a version of the script https://forum.mikrotik.com/viewtopic.php?t=75263
Additionally, it will be necessary to intercept and redirect dns traffic to the local dns of mikrotik