Wireless 802.11b monitoring tool - Plugin AutoWEP Kismet is a 802.11b wireless network sniffer. It is capable of sniffing using almost any supported wireless card using the Airo, HostAP, Wlan-NG, and Orinoco (with a kernel patch) drivers. Kismet is a command-line only program and so should be used inside X Terminal. Many nationwide carriers have started turning on WEP by default in routers, however in addition to the normal flaws in WEP, the key is easily derived from the BSSID and SSID http://xkyle.com/2009/03/03/verizon-fios-wireless-key-calculator/ explains the algorithm used for one popular carrier.