WiFi is everywhere and very useful but the problem is that WiFi networks if not protected well would be visible to all with a WiFi enabled device and can be used wrongful proposes as well you would not even be aware of it.There no easy way of identifying any unauthorized systems connected to your WiFi network.
AirSnare lets users of a private home WiFi Network identify easily as and when any unauthorized system tries connecting to your private WiFi network.AirSnare will alert you when it find a unfriendly MAC addresses on your private network and will also alert you to DHCP requests taking place.Once AirSnare detects an unfriendly MAC address you have the option of tracking the MAC address’s access to IP addresses and ports or by launching Ethereal which is a network analysis software that can read live data which can be captured “off the wire” from a live network connection, or read from a capture file.upon a detection.
To monitor any network adapter, first right click on the network adapter under the list of Network Adapter which you want to monitor and select “Start” to start monitoring the adapter.
Incase you are not around the machine, you can keep track of any intrusion by setting up to receive email on intrusion.Airsnare can also send a message across to the intruder machine, and intimate the user that his actions are being monitored using AirHorn.
This app works on Windows XP and compatibility with other OS is not mentioned and I could not test its functionality as I’am a Windows XP user.