Let us first configure our access point to use MAC filtering and then add the client MAC address of the victim laptop. The settings pages on my router look as follows:
Once MAC filtering is enabled only the allowed MAC address will be able to successfully authenticate with the access point. If we try to connect to the access point from a machine with a non-whitelisted MAC address, the connection will fail as shown next:
Behind the scenes, the access point is sending Authentication failure messages ...
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