Patent ID: 8826413

Claim:
A method for preventing a malicious wireless client device from using radio frequency resources, the method comprising: processing incoming packets from a wireless client device at a firewall to determine whether the wireless client device is a malicious wireless client device that is transmitting undesirable traffic; sending an instruction from the firewall to a wireless local area network infrastructure device when the wireless client device is determined to be a malicious wireless client device; and transmitting, from the wireless local area network infrastructure device in response to the instruction, a deauthentication frame to remove the malicious wireless client device from the wireless local area network, and preventing the malicious wireless client device from rejoining the wireless local area network for a time period to prevent the malicious wireless client device from sending other packets during the time period; starting an authentication process at the wireless local area network infrastructure device to attempt to authenticate the malicious wireless client device; determining, at the wireless local area network infrastructure device, whether authentication of the malicious wireless client device was successful; blocking the malicious wireless client device from joining the wireless local area network when the wireless local area network infrastructure device determines that authentication of the malicious wireless client device is not successful; and allowing the malicious wireless client device to join the wireless local area network when the wireless local area network infrastructure device determines that authentication of the malicious wireless client device is successful.