Question:Jpcap ?

From the FAQ at this site, http://netresearch.ics.uci.edu/kfujii/jpcap/doc/index.html

Q: Can I capture packets from a WiFi (802.11) network interface?

A: The answer depends on what Operating System you are running and which WiFi devices your system has. On Windows, you may not be able to capture packets from some WiFi devices. Linux or BSD may have higher probability of supporting packet capturing using WiFi devices.

Jpcap development site.
http://sourceforge.net/projects/jpcap

I would say, give it a try. Normally you tell the program which interface to sniff so you should be able to point it to your WiFi card.

Have you considered other sniffer software like Ethereal.  http://www.ethereal.com/
lots of good info in their Documentation page.

Gary

i read somewhere that you can capture traffic from a wireless link if you bridge (www.microsoft.com/windowsxp/using/networking/expert/crawford_02april22.mspx) your wireless adapter with a wired adapter... haven't tried it personally, but it should work...

btw, ethereal is a great sniffer, and runs on *nix and windows... it's just great software

thank you all,,,,

i think Gary give me a partial answer to my question but i need some tutorials in Jpcap.