block all websites except whitelist

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  • MikroTik Blocking All Websites Except a Few Websites

    A few days ago, someone asked me how to block all websites except one with MikroTik Firewall. For this, I have decided to discuss about blocking all websites except someone’s whitelist. Unlike firewall devices, MikroTik Firewall by default allows all websites. So, if you need to block any website, you have to create a firewall rule that will block the specific website. Now if we want to block all websites and want to allow a few websites, we have to do reverse work that means we have to create a firewall rule that will block all websites and we have to create another firewall rule that will allow a group of websites through MikroTik Firewall. In this article, I will discuss how to block all websites except a few websites using MikroTik Firewall. MikroTik Firewall Rule to Block All Websites HTTP and HTTPS are responsible to view websites. HTTP works on TCP port 80 and HTTPS works on TCP port 443. So, to block all websites, we have to drop all requests on TCP port 80 and 443 trough MikroTik Firewall. The following steps will show how to drop all requests on TCP port 80 and 443 in MikroTik Firewall. [...]

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