Kevin Kofler via devel writes:
Sam Varshavchik wrote:> Christopher Klooz writes: > >> Btw, does anyone know if this (in the practically-same manner) is really >> already introduced in Windows, Mac, Android by default? Globally? This > > Most recent Android phones, and iPhones do this by default. > > What they do is pin each randomized MAC address per AP. They're not > randomizing MACs for each connect, but basically generate a randomized MAC > for each AP known to the phone. What is this actually good for? Any AP you connect to can still track you this way, and anything further uplink should not get your MAC address to begin with anyway (only your IP address).
The ostensible reason for this is that you cannot be tracked by your fixed MAC across different APs. Yes, your visits to the same AP can still be tracked by that AP, but that's as far as it goes. And the reason for using the same MAC with the same AP is to still make it possible to do MAC address filtering.
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