![]() You may be thinking that this will not be possible because the device is already connected, but a deauth or deassoc attack that forcibly disconnects a device from a Wi-Fi network will allow an attacker to reconnect in its place.Īn attacker with a toolset like Kali Linux can use Wireshark to eavesdrop on a packet, run a quick command to change their MAC address, use aireplay-ng to send deassociation packets to that client, and then connect in its place. Theyre sent over the air with each packet going to and from the device, as the MAC address is used to ensure each packet gets to the right device. With MAC address filtering a router will first compare a devices MAC address against an approved list of MAC addresses and only allow a device onto the Wi-Fi network if its MAC address has been specifically approved.īut MAC addresses can be easily spoofed in many operating systems, so any device could pretend to have one of those allowed, unique MAC addresses. Wireless What Happens If You Allow Access For Only Listed Addresses Crack Your WPA2. ![]()
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