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CCguy's avatar
CCguy
Aspirant
May 20, 2021

Help with blocking wifi

I usually block my son's cell phone in Device Manager easily. Now he found a way to work around. His device always shows as IPhone, not his usual device name. Now he can access wifi any time, even du...
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flumignan's avatar
flumignan
Tutor
May 21, 2021

Bear in mind, iOS now generates a pseudo-MAC address periodically or on every reboot. It's a privacy feature to prevent tracking. You will need to reverse your allow list so that it denies everyone except for pre-approved specific devices, rather than allow everyone except for explicitly-denied devices like your son's. You will obviously need to make sure your device is not also creating new pseudo-MAC address; it's a simple toggle of a setting per Wi-Fi network. 

CCguy's avatar
CCguy
Aspirant
May 21, 2021

 I checked "Block all new devices from connecting". Did I do it right? Is that what you meant by "reverse your device list"? Not tech savvy. Any help is appreciated.

flumignan wrote:

Bear in mind, iOS now generates a pseudo-MAC address periodically or on every reboot. It's a privacy feature to prevent tracking. You will need to reverse your allow list so that it denies everyone except for pre-approved specific devices, rather than allow everyone except for explicitly-denied devices like your son's. You will obviously need to make sure your device is not also creating new pseudo-MAC address; it's a simple toggle of a setting per Wi-Fi network. 


  • CrimpOn's avatar
    CrimpOn
    Guru - Experienced User
    May 21, 2021

    Yes, this should prevent him from connecting to the WiFi system by changing network settings on the iPhone.

    This does not prevent him from switching to cellular data on the iPhone.

    And... it means that the next time anyone attempts to connect to your WiFi, you will have to log in and "Allow" that new device.

    God help you if you are at Home Depot when a BFF shows up and wants to share something on an iPad and it won't connect.

    • CCguy's avatar
      CCguy
      Aspirant
      May 22, 2021
      CrimpOn wrote:

      Yes, this should prevent him from connecting to the WiFi system by changing network settings on the iPhone.

      This does not prevent him from switching to cellular data on the iPhone.

      And... it means that the next time anyone attempts to connect to your WiFi, you will have to log in and "Allow" that new device.

      God help you if you are at Home Depot when a BFF shows up and wants to share something on an iPad and it won't connect.

      Thanks a lot! I appreciate it.