Securing MikroTik RouterOS With Firewall Policies

If you want to secure your router and protect your home network from hackers and other online threats, then you should consider using MikroTik Firewall with Port Knocking. This is a powerful security solution that can help you keep your router safe and secure, and it's easy to set up and use. In this post, we'll go over how to use MikroTik Firewall with Port Knocking and give you some tips on how to make the most of this powerful security tool.

What is MikroTik Firewall?

MikroTik Firewall is a software-based firewall that is designed to protect your network from external threats. It is an advanced security solution that can be used to block unwanted traffic, limit access to certain services and applications, and prevent unauthorized users from accessing your network. MikroTik Firewall is available on a variety of MikroTik routers, and it can be easily configured using the router's web interface.

What is Port Knocking?

Port Knocking is a technique that is used to secure a network by controlling access to a service or application. It works by requiring a client to connect to a specific sequence of network ports in order to gain access to the service or application. This sequence is known as the "knock," and it is typically a predefined series of TCP or UDP ports that the client must access in a specific order before the service or application is made available.

How to Use MikroTik Firewall with Port Knocking

1. First, you need to log in to your MikroTik Router.
2. Next, click on the "IP" menu and select "Firewall".
3. Click on the "Filter Rules" tab, and then click on the "plus" icon to add a new rule.
4. Click on the "Advanced" tab, and then select "TCP" from the "Protocol" dropdown menu.
5. In the "Src. Port" field, enter the first port number in your Port Knocking sequence.
6. Repeat the previous step for each port in your Port Knocking sequence.
7. In the "Action" dropdown menu, select "jump".
8. In the "Jump" dropdown menu, select "Knock".
9. Click on the "Apply" button to save the rule.
10. Next, click on the "IP" menu and select "Services".
11. Click on the "plus" icon to add a new service.
12. Enter a name for your service, and then select "tcp" from the "Protocol" dropdown menu.
13. In the "Ports" field, enter the port number for the service or application that you want to secure with Port Knocking.
14. In the "Extra Ports" field, enter the port numbers for your Port Knocking sequence.
15. Click on the "Apply" button to save the service.
16. Finally, click on the "IP" menu and select "Firewall".
17. Click on the "Knocking" tab, and then click on the "plus" icon to add a new rule.
18. In the "Protocol" dropdown menu, select "tcp".
19. In the "Dst. Port" field, enter the port number for the service or application that you want to secure with Port Knocking.
20. In the "Action" dropdown menu, select "accept".
21. Click on the "Apply" button to save the rule.

Conclusion

MikroTik Firewall with Port Knocking is a powerful security tool that can help you keep your router and home network safe and secure. By using Port Knocking, you can control access to your network and prevent unauthorized users from accessing your services and applications. This can help protect your personal information, prevent identity theft, and keep your online activity private and secure. So, if you're looking for a powerful and easy-to-use security solution for your home router, be sure to consider MikroTik Firewall with Port Knocking.

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