I want to get such a process that someone who is not authorized or registered person cannot access the wifi though he collects the password any corrupted way.I want to say that only some authorized device(i.e. 5 pc and 2 mobile in my room) access the wifi network.

  • You can do this with Mac Filtering only add the computers or phones mac addresses you want to be able to use the internet. Look Here gives you reasons why people do it and why you shouldn't do it. – NetworkKingPin Mar 28 '16 at 5:55
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    Use strong wireless encryption in the router and use a long-strong password key, this is your best defense, other than using ethernet cables and disabling the wireless in the router. – Moab Mar 28 '16 at 17:18

Every device that can connect to a network has it's own MAC address. You can configure your router to allow access only for specific MAC addresses - that is called MAC filtering

  • This is pretty much the only way to do it. As long as the perpetrator isn't MAC-spoofing. Then you'd need something heavier. – RiA Mar 28 '16 at 6:37
  • Mac filtering is a waste of time..howtogeek.com/204458/… – Moab Mar 28 '16 at 17:15
  • WPA2 + MAC filtering > WPA2. The OP clearly stated that his/her password was sniffed. – Alex Mar 28 '16 at 17:29

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