hce wrote:
> On Dec 5, 2007 2:41 PM, hce <[EMAIL PROTECTED]> wrote:

> My applology, the wireshark-0.99.6 is running on linux FC6. And it is
> just capturing wifi data on its wifi port (will be required to capture
> all other traffic as well).

I.e., it's only capturing data frames, not management frames?

To capture management frames, you'll have to put the adapter into 
monitor mode.

See

        
http://wiki.wireshark.org/CaptureSetup/WLAN#head-bb8373ef4903fe9da2b8375331726541fb1ad32d

for information on putting the adapter into monitor mode.

> The libpcap version I used is libpcap-0.9.4-11.fc6.i386.rpm. How can I
> check whether this version supports 802.11 or not?

0.9.4 supports 802.11.

> I configured with Link-layer header type: Ethernet (it can only select
> either Ethnernet or Data Over Cable Service Interface) and with
> Capture packets in promiscuous mode (I tried to turn promiscuous mode
> off, not work either). The frame only include IEEE 802.3 Ethnernet.

Linux drivers that support monitor mode generally only provide 802.11 
headers in monitor mode.

> I checked to the document, it says  "This would probably require that
> you capture in promiscuous mode or in the mode called "monitor mode"
> or "RFMON mode". Where can I found monitor mode or RFMON mode in
> Capture Option?

It's not in the (current) Capture Options dialog.  It might get added at 
some point, for at least some adapters on Linux 
({Free,Net,Open,DragonFly}BSD handle monitor mode a bit more cleanly).

Therefore, you'll have to turn monitor mode on from the command line; 
see the link above for information on how to do that, at least for some 
adapters; what type of 802.11 adapter do you have on your machine?
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