How to solve DNS flood on MikroTik

1. Click on IP > Firewall > Filter Rule.

2. Create a new rule, On "General" and "Action" set as below. After finish, click "Apply" and "OK".

3. Create a new rule again, on "General", "Advanced", and "Action" set as below. After finish, click "Apply" and "OK".

4. The result of the addition of these two rules.

5. Move to "NAT Rule" and create a new rule and set as below. After finish, click "Apply" and "OK".

6. Create a new rule again and set as below. After finish, click "Apply" and "OK".

7. The result of the addition of these two rules.