Turned out our child managed to install a VPN on the machine and somehow parental control blocked it. Great that it was caught by the parental control (I have no idea how). Once the VPN client was...

Everything used to be ok until recently that a mac mini on a child profile stopped connecting to the internet when added to the profile. If i remove it, it works fine. there is no settings on the...

@woozle thanks for checking that. The reason I want it is to proactively prevent my child to connect to third wifi at home. With your funding, I must connect my child's machine to this wifi once, and...

Using Tether app, I click on more > Block list and add a new entry for a MAC address of a device at home to block, it seems added but if I go out of the manu and come back in, the new entry is gone....