"Curt Christianson" <curtchristnsn@NOSPAM.Yahoo.com> wrote in message
news:13eb70s2nhaosdc@corp.supernews.com...
> Good afternoon,
>
> Can somebody recommend a good "wireless sniffer" to see what's running in
> my
> neighborhood? I'm running XP SP2. I'm currently using "Netstumbler" as
> it
> shows my wi-fi S/N ratio. Is NetStumbler good enough?
>
> TIA for your time,
I like it.
This link below also shows a neat device that I use. Of course a spectrum
analyzer and protocol analyzer is also reccomended. But these high priced
devices are not needed for casual use.
http://www.thinkgeek.com/gadgets/electronic/80ce/
>
> --
> Curt
>
> Windows Support Center
> www.aumha.org
> Practically Nerded,...
> http://dundats.mvps.org/Index.htm
>
> "Jeff Liebermann" <jeffl@comix.santa-cruz.ca.us> wrote in message
> news:f6krd3ho0l3dta7vnp8qoircm6eo08bv5h@4ax.com...
> | On Tue, 04 Sep 2007 20:25:17 -0000, StandardGreen
> | <StandardGreen@gmail.com> wrote:
> |
> | >When I look at available wireless networks, Windows XP differentiates
> | >between the WLAN and any nearby ad-hoc networks. How? I'm assuming
> | >that there is some kind of identifying bit in the packets.
> |
> | The information is in IEEE 802.11-1999 specs found at:
> | <http://standards.ieee.org/getieee802/802.11.html>
> | Section 5.6 explains the difference between AdHoc and Infrastructure
> | modes. The problem is that the IEEE calls them IBSS (adhoc) and ESS
> | (infrastructure) modes. A client bridge is also known as an STA.
> | Reading IEEE specs turns my brain to mush. Therefore, I suggest you
> | digest the technobabble and acronyms in small bites.
> |
> | Also see:
> | <http://grouper.ieee.org/groups/802/11/Tutorial/>
> |
> | The info is in the probe response frame (which also supplies the SSID)
> | as in 7.2.3.9. Specifically, it's in the IBSS (adhoc) Parameter Set.
> | If it's an ESS (infrastructure) access point that's responding, the
> | field is blank.
> |
> | It might be helpful if you try a wireless sniffer and looked at the
> | packets involved. See Wireshark at:
> | <http://www.wireshark.com>
> |
> | >Furthermore, to those that know the answer to the question, where do
> | >you learn this? I'd like to find your sources so I can get tips on
> | >finding this stuff out for myself.
> |
> | A more simplified list of frame types can be found at:
> | <http://www.wi-fiplanet.com/tutorials/article.php/1447501>
> |
> | --
> | # Jeff Liebermann 150 Felker St #D Santa Cruz CA 95060
> | # 831-336-2558 jeffl@comix.santa-cruz.ca.us
> | # http://802.11junk.com jeffl@cruzio.com
> | # http://www.LearnByDestroying.com AE6KS
>
>