In your home network, every web-connected device, from computers to smartphones to smart TVs, is assigned a unique MAC address. These addresses, consisting of 12 digits, serve as digital identifiers, ...
MAC address filtering has long been included as a security feature in many consumer routers, allowing users to block traffic ...
If he's using Road Runner, all he'll need to do is reset his cable modem's connection (by cycling its power or disconnecting it from the coaxial cable) and it should automatically send the new MAC ...