Good day,

I'm new here to go easy -

Iv tried blocking Netflix and if i capture Netfix IP's using a Mangle rule then create a filter rule it seems to take my router down and stops total internet access. Pls assist -

I'm running 7.12.1

There is a MikroTik YouTube channel. This topic has been handled, perhaps it helps you:
https://youtu.be/T2CQyN-D4u4?feature=shared