- Upload adblock.rsc to the Microtik router file system
- Run imported file by
/import adblock.rsc
- Optionally Remove imported file
/file remove adblock.rsc
- Create new Firewall rule (IP > Firewall > Filter Rules)
- chain: forward
- protocol: tcp and udp (another one rule)
- In interface/list: LAN or whatever inner you use
- Connection state: new
- Action: reject