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On a typical Linux distro, what information do WiFi access points get when you search for and use another AP? (lemmy.ml)
submitted 4 months ago by to c/privacy@lemmy.ml
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Let's say, I sit down in a mall, open my laptop and connect to a secured mobile hotspot. Then I do it again next week after a reboot. What information would a nearby shop or a passive malicious hacker be able to find about my device? Does my device send out identifying information before joining, like a MAC address? Is this persistent, or randomized?

I intentionally haven't specified a distro, so if something only applies to some network managers, give some details.

Bonus points: what about Android phones?

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[–] 2 points 4 months ago (1 child)

I hope there's a whitelist of SSIDs for this. I wouldn't want my home router to register a new device each time I come back home

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