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You're missing a key point - MAC addresses don't randomize while connected to a network, they only change while in a disassociated state. They need to use their
by hamsandwiched 10y ago
You're missing a key point - MAC addresses don't randomize while connected to a network, they only change while in a disassociated state. They need to use their true, assigned MAC while associated to a network.
The authors aren't proposing the use of randomization while associated to a network. Instead they're showing how current implementations aren't achieving their intent.
- sidebars 10y agoIts almost as if he didn't read the paper or understand WiFi.
- AndyMcConachie 10y agoI missed that small but important tidbit in section 2.2, now I see it. But then in section 4 they mention mDNS. Which confuses me, because L2 switches will definitely learn MACs on mDNS traffic. It also brings up another question I have which is what about roaming? And what about setups where there are L2 switches between radios and the devices that handle the 802.11 authentication? How does randomization affect learning in those environments? In general I would have appreciated more discussion on on how randomization affects L2 switches and the protocols I mentioned. Either that, or ask someone at Google why Android behaves the way it does.