Password protecting a wireless router (not WEP/WPA key)

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blake_lives

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May 4, 2005
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Hi everyone,

I couldn't think of a less confusing title so sorry about that. My aunt called me up with a question today and I'm not quite sure if it's even possible. Her son has a few times used all of her monthly download allowance through his phone (which accesses the wireless network). She asked me if there's some way to password-protect the network so that she would have to manually enter the password, and then next time he tries to log on, she would need to enter it again? If she changed the WEP/WPA key then once she has entered it once he would be able to access it at any time. Again I'm not sure if this is possible but if it is I'm sure someone here would know how.

Thanks very much.
 

cwwozniak

Chuck
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Nov 28, 2005
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69,318
Many routers have some type of filters that can be set to allow or block Internet access based on the MAC address of the device. Depending on the brand and model of the router she may only need to enter the MAC address of the phone one time and then use a check box to enable and disable the access. She would also need to change the router's admin password to something only she would know.
 

zx10guy

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6,685
There is another way but I doubt your aunt will want to deal with the complexity. It's the enterprise version of AES encryption which requires a certificate and a domain controller to authenticate logon access. The cert validates your computer is authorized to be on the network and then you have to log in to the network using a valid domain user account. Once these things are successfully completed, the encryption key generated is based off user login credentials. The IEEE standard for this setup is 802.1x.

So the above will do what your aunt wants which is to have to require a user account and password only she will know. But the flip side of this is, she'll have to purchase a wireless router/access point which supports 802.1x authentication. In addition, she'll have to set up a RADIUS server along with a domain controller.
 
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