MAC Address Filtering Provides No Security
Your router probably allows you to configure a list of allowed MAC addresses in its web interface, allowing you to choose which devices can connect to your network. With MAC address filtering a router will first compare a device’s MAC address against an approved list of MAC addresses and only allow a device onto the Wi-Fi network if its MAC address has been specifically approved. Normally, a router allows any device to connect - as long as it knows the appropriate passphrase. RELATED: Don't Have a False Sense of Security: 5 Insecure Ways to Secure Your Wi-FiĮach device you own comes with a unique media access control address (MAC address) that identifies it on a network.
