Few weeks back, one of my friend asked me if I have any idea or tools to audit or scan wireless network. I then did some research on the Internet and of course I found some good tools. Wellenreiter is one of them which provides good features that’s why I bring it here so that people know about it.
Wellenreiter is a good tool for its features to audit and discover a wireless network. The GUI of the tool is simple and easy to use. You can try and feel it if you dont believe me ;-). It has ability to discover BSS and IBSS networks, and it can detects both ESSID broadcasting and non-broadcasting network along with their manufacturer and WEP capabilities. Moreover, there is a feature to display and decode DHCP and ARP traffic so that you can gain more information about the network. If the devices you have discovered support GPS and gpsd, the location can be tracked then you will know where it is located. Cool huh? But unfortunately, the perl version does not support hosap drivers. That should not be a problem though as long as you need more advance features.
Having said that, the tool is now have been moved to C++. So there are two versions currently, one is running on perl/gtk with features describe above and another one is called Wellenreiter II which is based on C++. This new version runs on Handhelds (Zaurus/Ipaq/etc.) within the Opie environment and on X11.
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