A simply way to create firewall filter rules that are only active at certain times without needing to use scripts, is to utilize the built in “Time” field that can be found in the “Extra” menu when configuring a firewall filter on Mikrotik RouterOS.
Its important to make sure your routers system clock is correctly recording time. The easiest way to do this is to use an NTP server. You can find my guide on how to do this 👉 here.
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In this guide we’ll be focussing on setting up an NTP client on Mikrotik RouterOSv7 for global time and date sync, and ensuring that the system clock is keeping time correctly.
NTP functions by allowing a device to sync its UTC time and date from a global time server. In our use case, it enables a Mikrotik router running an NTP client to get accurate UTC time and dates from an external NTP server. Once the MikroTik router syncs its UTC time and date via NTP, the system clock applies the configured local time zone to display the correct time.
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