As we want to block any website providing keyword such as Facebook, YouTube etc. If matched is occurred, action is taken by the Filter Rule that uses this Layer7 Protocol. Layer7 Protocol uses Perl Regex (Regular Expression) to match any keyword in URL. MikroTik Firewall is capable to block any website with not only source address or destination address but also Layer7 Protocol. So, any user cannot access that website through MikroTik Router. If conditional part of a Filter Rule is matched, MikroTik Firewall will drop that connection. Action part which takes only drop action to block any website.Conditional part which takes various conditional properties such as Chain, Source Address, Destination Address, Protocol, Source Port, Destination Port, Layer7 Protocol etc.MikroTik Firewall blocks website using Filter Rule. In this article, I am only going to show how to block unwanted websites using MikroTik Firewall Rules.

If you feel that you need the basic concept of MikroTik Firewall, feel free to spend time to study that article. MikroTik Firewall basic concept such as what is MikroTik Firewall, what is MikroTik Firewall Rule, how to implement MikroTik Firewall Rule etc. To block these types of websites, you just need to create Firewall Rules that will drop any connection to these websites through your MikroTik Router. If you are a network administrator, sometimes it may be your requirement to block any website like Facebook, YouTube, Pornographic site and so on. MikroTik Firewall is a powerful security tool that can be used to block unwanted websites.

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