Smartphones and other devices usually use both passive and active detection - they passively listen to Wi-Fi access points to inform nearby devices as they are available, and actively send requests for access points in the Nearby User Interface Designer Luis Abreu tweeted image of a slide from an iOS 8 privacy conference presentation that describes the process. Apple lawyers tend to send signatures to companies that even offer Apple products, unless they are an authorized service center. Hp Laserjet P2055d Software. To disable IPDT on this interface, you must disable both because IPDT is only disabled if all features that use it are disabled. If you do, the captive portal page must contain a legal disclaimer saying that you accept your MAC address to be stored and used for analytical purposes (if it does not already exist). here. ytimg.com/vi/hp52A8wjv7Y/maxresdefault.jpg' alt='Mac address tracking software' title='Mac address tracking software'>