How to set up subnet filtering?

Question

network hardware

2 subnets 192.168.1.0 and 192.168.2.0 have been created on Mikrotik.
I need to prohibit the first subnet access to the second one by means of the microt itself, but so that the second one has access to the first
one, is this possible and how?

Answer 1

Set up routing, then firewall