For example, you could block all traffic that contains the word “viagra”.įinally, you can also use Mikrotik’s built-in layer 7 protocol to block traffic based on certain applications or protocols. You can also use Mikrotik’s built-in content filter to block traffic based on certain keywords or phrases. Address lists are groups of IP addresses that you can add to your firewall rules.įor example, you could create an address list for known malicious IP addresses and then block all traffic from those IP addresses. One way is to use Mikrotik’s built-in address lists. There are a few different ways to block unwanted traffic. By blocking unwanted traffic, you can help protect your network from attacks. When you allow all traffic through your firewall, you’re also allowing malicious traffic. To do this, go to System > Routerboard > Settings and check the “Enable Layer7 Protocols” box. Layer7 protocols are not enabled by default in Mikrotik, so you will need to enable them before you can use them. This would be much more effective than just blocking all traffic on port 80 (which would also block legitimate web traffic). This is important because it means you can allow or deny traffic based on the specific application, rather than just the port that it is using.įor example, you could allow all web traffic but block all BitTorrent traffic. Layer7 protocols allow you to match traffic based on the application that is generating it.
Only use it for traffic that you trust, and make sure that your other firewall rules are still in place to protect your network. Therefore, it’s important to use Fasttrack wisely. That’s because it can allow malicious traffic to bypass your firewall rules. However, Fasttrack can also be dangerous if you’re not careful. This can be useful if you want to improve performance or reduce the load on your firewall. Use Fasttrackįasttrack is a Mikrotik firewall feature that allows you to bypass the firewall for certain types of traffic. By following these best practices, you can improve the security of your network and make it more difficult for attackers to gain access to your systems. In this article, we will go over 10 best practices for Mikrotik firewall rules.
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