The MAC address for your device can usually be found in the settings of the network or WI-FI depending on device. This is blocks entrie IPv4 traffic for the MAC host 00:0c:29:72:D5:31 originating from LAN and destined for WAN. Click button Edit MAC Filter List In the pop-up you can enter up to 256 MAC addresses.Now, you have to launch a web browser and visit the IP address. Then enter your credentials and click Enter. Navigate to Firewall, and click + Add Firewall Rule. Select User/Network Rule to add a new rule as shown in the image below. Then, select the Advanced tab and click the Advanced setup and then Wireless settings.Enter the parameters as shown in the table below (Please enter MAC host that you want to block). With this setting, a new device cannot access your router’s Internet connection, but can still access your router’s local network. NETGEAR recommends that you leave this radio button selected. You don't need to enter its MAC address in this screen. Go to Host and Service > MAC Host and click Add to add a MAC host. With this setting, a new device can access your network.Any attempt to communicate by masquerading the IP address is blocked as the attacker’s MAC address will not match with the MAC address of the whitelisted devices. This way, the hosts retain their ability to communicate with the Network. Here, the router is configured to only accept traffic from the specific MAC addresses, and whitelisted devices are assigned new IP addresses through DHCP. In a wireless environment (WLAN), the most common security measure to prevent unwanted network access is MAC address filtering.
In an environment with DHCP, the IP addresses of hosts change dynamically, so filtering MAC addresses is more reliable and feasible to identify and filter the source and destination of network traffic. How to Filter MAC Address on NETGEAR Orbi Router (RBR850): Enter address 192.168. MAC address filtering is more secure than IP address filtering, as MAC addresses are rarely changed.