I have a big wireless network, and I would like to know if there is a mechanism of assuring users legitimacy:
I have 10 access points in the company and all have the same WPA-PSK password. I want a mechanism for protecting users if anyone broke wireless encryption or stole the key from a legitimate user. I want to protect them from sniffing attacks .. and I want a mechanism to ban a sepcific user from the network even if he accessed the wireless network, I want him to be banned from accessing any network facility
I cant use radios servers, and does IpSec help me with my problem (preventing new attackers and stop a specific user) ?