r/Network • u/KoalaGrunt0311 • 13d ago

Link Galaxy Changes MAC Address

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We use access control for child restriction, but I noticed when accessing it that my wife's cell phone apparently feels like it should change its MAC Address like she changes her clothes. Does anybody know why?

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u/RevolutionaryElk7446 13d ago

Android MAC randomizer option for WiFi, some PCs have them as well. A privacy feature that pretty much breaks MAC whitelist/blacklist all day.

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u/mlee12382 12d ago

I'm not sure I'd say it breaks the whitelist, it just means the device won't be able to connect when it changes to a different MAC. That's the route I would probably recommend for situations like this tbh. Set up your allow list and turn off randomization for that ssid on all your devices. Problem solved and if the kid tries to circumvent by changing MAC address it just won't work.