Wfi password changed but old devices still connected.

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Solution
The question is, why do you think the "rogue" device is connected? Does it show up in the IP list? Can you see traffic from the device? A MAC address can show up in the device list without being fully connected to the network.
MERGED QUESTION
Question from bibin_kurian : "Hi i change my friends wifi password but some external guys still connected to the wifi.....?"





 


MAC address filtering is not considered a valid security measure. Anyone with any knowledge can locate and spoof a valid MAC address in seconds, thus bypassing any filtering.
 
The question is, why do you think the "rogue" device is connected? Does it show up in the IP list? Can you see traffic from the device? A MAC address can show up in the device list without being fully connected to the network.
 
Solution
Status
Not open for further replies.