To allow all MAC addresses except those in the list. Any attempt to communicate by masquerading the IP address will blocked as the attacker’s computer’s MAC address will not match with the MAC address of the whitelisted devices. In this way they retain their ability to communicate with the network. In this example the FortiGate is configured to accept traffic from only specific MAC addresses, and whitelisted devices are assigned new IP addresses through DHCP. In the end I setup multiple SSIDs and used MAC address filtering at the AP level. Generally in a wireless environment a common security measure to prevent any unwanted network access is MAC address filtering. NPS - MAC Address Filtering for Wireless Devices not in Security Group. Router manufacturers are more knowledgeable in this field. In a network, MAC address filtering is more secure and more reliable than IP address filtering because the MAC address does not change. Updating Mac filtering Note that if MAC Filtering is enabled on a wireless router and MAC address is not entered then the wireless device connected to the router will not be able to connect We do not need to enable MAC Filtering if this is already disabled for troubleshooting purposes.
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