A Media Access Control (MAC) address, sometimes referred to as a hardware or physical address, is a unique, 12-character alphanumeric attribute that is used to identify individual electronic devices ...

A device that functions as an access control point for users in remote locations connecting to a company's internal network or to an ISP. Also called a "media gateway" or a "remote access server ...

The Forescout products are also allegedly in violation of a June 2016 Fortinet patent for “network access control system and method for devices connecting to network using remote access control ...