Specifying MAC Addresses for Firewall Rules
You can limit communication to only devices with specified MAC addresses, or block devices with specified MAC
addresses but permit other communications. Up to 32 MAC addresses can be specified.
This function is unavailable when the machine is connected to a wireless LAN.
Start the Remote UI and log on in System Manager Mode.
Click [Security Settings]
Click [Edit] for a filter type.
[MAC Address Filter].