Re: Wireless LAN question

2002-07-10 Thread Chris
Message - From: "jna" <[EMAIL PROTECTED]> To: "Rowley, Michael (M.)" <[EMAIL PROTECTED]>; "'Johnson, Wayne'" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Thursday, July 04, 2002 12:45 AM Subject: Re: Wireless LAN question >

Re: Wireless LAN question

2002-07-09 Thread Jason Lewis
> You guys might like to check out the isp-wireless mailing list. Your > discussion would go over well there. > > Lots of very knowledgeable individuals. > > [EMAIL PROTECTED] > > Be warned though, you might want to subscribe for the digest, and not > the real-time list. It is high traffic. > > Je

Re: Wireless LAN question

2002-07-08 Thread Jeremy Parr
- Original Message - From: "Williams, Larry" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Friday, July 05, 2002 4:36 PM Subject: RE: Wireless LAN question > It's more true to say that both signals need to be amplified, whether that happens

RE: Wireless LAN question

2002-07-07 Thread Williams, Larry
te from further away than others, and a gain antenna (node with a beam or dish) will also increase the distance. -Original Message- From: Jason Lewis Sent: Friday, July 05, 2002 11:17 To: [EMAIL PROTECTED] Subject: RE: Wireless LAN question > > given that "the other wlan

RE: Wireless LAN question

2002-07-07 Thread Tim V - DZ
ly 02, 2002 9:48 PM Cc: [EMAIL PROTECTED] Subject: Re: Wireless LAN question there was a recent article in 2600 about how to use a pringles can and for about $5 and some creativity, get 3-5 miles Jmiller - Original Message - From: "Christopher Rector" <[EMAIL PROTECTED]

RE: Wireless LAN question

2002-07-05 Thread Jason Lewis
> > given that "the other wlan device" is equipped with a directional > antenna, too.. > Nope. You can amp your signal and use a directional antenna and the other end can be using a low power antenna. It is a common belief that both ends need to use the same antennas or be amplified. This is n

Re: Wireless LAN question

2002-07-05 Thread Christian Ritter
Hi I have a xair point to point wireless system. It's like 2 boundled single wireless bridges. http://www.bintec.net/en/index.php?r=prod/XAir&m=navbar.html&c=index.html or www.artem.de It works very fine. Regards Christian On Thu, 4 Jul 2002, jna wrote: > Hello, > > All this talk about wireles

Re: Wireless LAN question

2002-07-04 Thread jna
Hello, All this talk about wireless LAN stuff leads me to ask the consortium on the new UST 22 MBPS Wireless systems. Does anyone have any experiences with this, is it any good? I am looking to wire my whole neighborhood so to speak, "Without Wires" and I am looking for wireless solutions the hav

RE: Wireless LAN question

2002-07-04 Thread Robert Sullivan
Michael Rowley Security Consultant -Original Message- From: Johnson, Wayne [mailto:[EMAIL PROTECTED]] Sent: Monday, July 01, 2002 10:15 AM To: [EMAIL PROTECTED] Subject: RE: Wireless LAN question I doubt it. A GPS device is a receiver, not a transmitter. Unless he sends his GPS data ov

RE: Wireless LAN question

2002-07-04 Thread Chisholm Wildermuth
ssarily reflect those of my employer. -Original Message- From: Bryan Allerdice [mailto:[EMAIL PROTECTED]] Sent: Monday, July 01, 2002 12:51 PM To: Johnson, Wayne; [EMAIL PROTECTED] Subject: RE: Wireless LAN question Here is a crazy and untested idea. Suggestions from readers as to ho

Re: Wireless LAN question

2002-07-03 Thread jmiller
TED]> Sent: Monday, July 01, 2002 2:24 PM Subject: Re: Wireless LAN question > You might want to re-think the 100 yards statement, 802.11b has a > theoretical limit of 21 miles. I know of wireless hotspots that can be > reached from almost a 1/4 mile away without any external antennas

RE: Wireless LAN question

2002-07-03 Thread Jason Kohles
1, 2002 6:12 AM > To: 'David Laganière'; [EMAIL PROTECTED] > Subject: RE: Wireless LAN question > > > We are talking about 2 completely unrelated technologies here. Unless there > is some part of the spec that I don't know about. Besides, you can be > assured

RE: Wireless LAN question

2002-07-03 Thread Snow, Corey
> -Original Message- > From: Tim Donahue [mailto:[EMAIL PROTECTED]] > Sent: Monday, July 01, 2002 6:12 AM > To: 'David Laganière'; [EMAIL PROTECTED] > Subject: RE: Wireless LAN question > > > We are talking about 2 completely unrelated technologie

RE: Wireless LAN question

2002-07-03 Thread Tim Donahue
x27;; 'Tim Donahue' Cc: '[EMAIL PROTECTED]' Subject: RE: Wireless LAN question In SF. In the hills, the DOC was able to use a directional antenna to hit networks over 20 miles away. Sincerely; Robert J. Lupo Network Security Engineer MCSE, CCSA, CCSE, Internet Security C

Re: Wireless LAN question

2002-07-03 Thread Christopher Rector
No need to apologize, were all here to learn from others experience. That's what this forums all about. Basics for secure wireless computing. 1. Disable SSID broadcasts. 2. Enable WEP encryption. 3. Use Mac filtering if possible. 4. Know your wireless footprint. Explanations: 1. By disabling S

RE: Wireless LAN question

2002-07-03 Thread zcat
> You can do what your trying to do but you might have to > create some of your own code. For true directional finding (DF'ing) > you would need a reciever and a doppler DF system that can recieve at > 2.4ghz (aka the wireless card for the reciever). Netstumbler allows > you to view clie

RE: Wireless LAN question

2002-07-03 Thread Tobias Rosenstock
Hi, On Mon, 1 Jul 2002, Tim Donahue wrote: > Besides, you can be assured that the intruder is within a 100 yards or > so of the acess point. no, you can't. with a 24db yagi (directional antenna) i have been able to connect to wlan access points as far away as 300-400 meters (900-1200 yards) wit

RE: Wireless LAN question

2002-07-03 Thread mark
Fax: (214) 853-5045 > -Original Message- > From: Tim Donahue [mailto:[EMAIL PROTECTED]] > Sent: Monday, July 01, 2002 8:12 AM > To: 'David Laganière'; [EMAIL PROTECTED] > Subject: RE: Wireless LAN question > > > We are talking about 2 completely unrelate

Re: Wireless LAN question

2002-07-03 Thread Karma
Well since its a transmitting/receiving relationship, you need to find the carrier frequency of the WLAN and perhaps run around with a Field Strength Meter tuned to this frequency. For this to work properly of course, you'll need to be able to turn off all the other transceivers. Or else, you will

Re: Wireless LAN question

2002-07-02 Thread Christopher Rector
You might want to re-think the 100 yards statement, 802.11b has a theoretical limit of 21 miles. I know of wireless hotspots that can be reached from almost a 1/4 mile away without any external antennas on the unit. Add a decent directional antenna to the unit and a clear line of sight and your ea

RE: Wireless LAN question

2002-07-02 Thread Bryan Allerdice
] Sent: Monday, July 01, 2002 10:15 AM To: [EMAIL PROTECTED] Subject: RE: Wireless LAN question I doubt it. A GPS device is a receiver, not a transmitter. Unless he sends his GPS data over your network :) It occurs to me that you could do a little preparation work with a wireless laptop. By

RE: Wireless LAN question

2002-07-02 Thread Matthew F. Caldwell
59 AM To: 'David Laganière'; [EMAIL PROTECTED] Cc: Subject: RE: Wireless LAN question David, GPS is a passive device, it only listens for timing signals from satellites, it doesn't transmit. You are left w

RE: Wireless LAN question

2002-07-02 Thread Vachon, Scott
>I know work has been done to roughly triangulate a cell phone users position >based on signal strength received at 3-4 cell towers (I believe to fulfill >upcoming 911 legislation). It seems to me you would need 3-4 access points, >but could do the same thing with 802.11. But somehow I don't think

RE: Wireless LAN question

2002-07-02 Thread David Brown
To: 'David Laganière'; [EMAIL PROTECTED] Subject: RE: Wireless LAN question We are talking about 2 completely unrelated technologies here. Unless there is some part of the spec that I don't know about. Besides, you can be assured that the intruder is within a 100 yards or so

RE: Wireless LAN question

2002-07-02 Thread Joe Klein
Wayne [mailto:[EMAIL PROTECTED]] Sent: Monday, July 01, 2002 10:15 AM To: [EMAIL PROTECTED] Subject: RE: Wireless LAN question I doubt it. A GPS device is a receiver, not a transmitter. Unless he sends his GPS data over your network :) It occurs to me that you could do a little preparation work wi

RE: Wireless LAN question

2002-07-01 Thread Tim Donahue
We are talking about 2 completely unrelated technologies here. Unless there is some part of the spec that I don't know about. Besides, you can be assured that the intruder is within a 100 yards or so of the acess point. Tim Donahue -Original Message- From: David Laganière [mailto:[EMAI

RE: Wireless LAN question

2002-07-01 Thread Johnson, Wayne
I doubt it. A GPS device is a receiver, not a transmitter. Unless he sends his GPS data over your network :) It occurs to me that you could do a little preparation work with a wireless laptop. By walking around your wireless coverage area you could identify public areas that have good signal stre

RE: Wireless LAN question

2002-07-01 Thread Beverstock, David
David, GPS is a passive device, it only listens for timing signals from satellites, it doesn't transmit. You are left with the wireless NIC, which does transmit. I know work has been done to roughly triangulate a cell phone users position based on signal strength received at 3-4 cell towers (I

RE: Wireless LAN question

2002-07-01 Thread Jose D. Crespo
Netstumbler Wireless Locator www.netstumbler.com CERT Advisery 94-01 http://www.cert.org/advisories/index.html Robert Graham’s Sniffer FAQ http://www.robertgraham.com/pubs/sniffing-faq.html Christopher Klaus’ Packet Analyzer FAQ http://xforce.iss.net/security_library/faqs/packcapt.php PersonalTelc

Re: Wireless LAN question

2002-07-01 Thread Tobias Rosenstock
Hi, On Fri, 28 Jun 2002, David [iso-8859-1] Laganière wrote: > Say an intruder connect himself to my wireless LAN, is there a way with > a GPS and it's signal to know where he is physically? Where can I get > more documentation on that? since 802.11b (aka wavelan, wlan, airport network, etc.) u