I've seen vids showing hacking with yagi's getting .5-1 mile distances.

On Tue, Jul 1, 2008 at 9:54 AM, Erik Goldoff <[EMAIL PROTECTED]> wrote:
> really, it *depends* ...  I've heard (but no first hand experience) of
> laptops with yagi antennae  getting a signal 2000 feet or more from the wifi
> source ... (approaching a half mile)
> ________________________________
> From: David W. McSpadden [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, July 01, 2008 9:19 AM
> To: NT System Admin Issues
> Subject: Re: WiFi setup
>
> What distance would a High Gain antenna need to get a very weak signal?
> The building is in the middle of a field with parking all the way around.
> Secuirty 24/7 to keep the loafers off the premise.
> Visitors in a localized area.
> Trees and some small (10 ft high) mounds or hills outside the parking lot.
> Still not the best set up but the further I can push the cracker jackers
> away from the building the better I feel.
>
>
> ----- Original Message -----
> From: Erik Goldoff
> To: NT System Admin Issues
> Sent: Tuesday, July 01, 2008 8:59 AM
> Subject: RE: WiFi setup
> Arggggh ...
>
> Directional antennae *can* limit the signal where you don't want it, but not
> *eliminate* it completely.  Any wireless hacker/cracker with a high gain
> antenna (yagi, pringles can, etc) may still be able to latch on to your
> signal.
> ________________________________
> From: David W. McSpadden [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, July 01, 2008 6:21 AM
> To: NT System Admin Issues
> Subject: Re: WiFi setup
>
> The wireless isn't for Joe its for CEO and the like.
> Here's the bottom line. They want to have their Fantasy Football draft and
> Nascar draft in the office.
> No big deal they've been doing it for years.
> Now they want to do it with out anyone knowing it.  So they are going to
> move around on the big day.
> That way everyone thinks they are working instead of, you know...
> Besides the obvious gaff to all the security I am putting in place I like
> what everyone has written and I
> am taken it all in.
> We will most like use Cisco POE products to go with our VOIP with Cisco we
> currently have in place.
>
> Has anyone ever used directional antenii or is that a pipe dream I keep
> having?
> Whereas the WAPs are directional instead of broadcast so the signal doesn't
> 'leak' out into the parking lot???
>
> ----- Original Message -----
> From: Christopher J. Bosak
> To: NT System Admin Issues
> Sent: Monday, June 30, 2008 11:19 AM
> Subject: RE: WiFi setup
>
> Agreed.
>
>
>
> But I'd personally keep the confidential data off the wireless all together.
> If Joe Employee needs his laptop to go on the internet, then he can hop on
> the wireless and stay off the main network. That way, his laptop never sees
> customer data (and why should it need to for a bank)?
>
>
>
> Christopher J. Bosak
>
> Vector Company
>
> c. 847.603.4673
>
> [EMAIL PROTECTED]
>
>
>
> "You need to install an RTFM Interface, due to an LBNC issue."
>
> - B.O.F.H. (Merged 2 into 1) - Me
>
>
>
> From: Glen Johnson [mailto:[EMAIL PROTECTED]
> Sent: Monday, June 30, 2008 10:07 hrs
> To: NT System Admin Issues
> Subject: RE: WiFi setup
>
>
>
> I agree.
>
> MAC filtering is a pain to maintain and provides very little, if any,
> security.
>
> # 1 on George Ou's six dumbest ways to secure wireless list.
>
> http://blogs.zdnet.com/Ou/index.php?p=43
>
> Now granted, you've not said what the purpose for this wireless is so maybe
> you don't need much security.
>
> If it is for guests to web surf, put it on a separate vlan, give it internet
> access and be done with it.
>
> If it is for users and confidential credit union data, secure it as much as
> possible.
>
> Good luck.
>
>
>
>
>
> From: James Kerr [mailto:[EMAIL PROTECTED]
> Sent: Monday, June 30, 2008 10:54 AM
> To: NT System Admin Issues
> Subject: Re: WiFi setup
>
>
>
> I was messing around with cracking APs and its pretty easy to clone the MACs
> of devices connected to the AP to gain access when they are using MAC
> filtering.
>
> ----- Original Message -----
>
> From: David W. McSpadden
>
> To: NT System Admin Issues
>
> Sent: Monday, June 30, 2008 10:08 AM
>
> Subject: Re: WiFi setup
>
>
>
> I have been getting the MAC's from all the other devices on the WAN.  We are
> greating VLAN 127.  It is the default vlan and will get to the internet
> only. If you don't have a MAC on the ACL you get a 127 dhcp address and
> pumped to the internet only.
>
> It isn't fully functional yet but it is coming.
>
>
>
> ----- Original Message -----
>
> From: Steve Ens
>
> To: NT System Admin Issues
>
> Sent: Monday, June 30, 2008 10:06 AM
>
> Subject: Re: WiFi setup
>
>
>
> And use MAC address filtering...
>
> On Mon, Jun 30, 2008 at 9:01 AM, Erik Goldoff <[EMAIL PROTECTED]> wrote:
>
> and for security in a credit union environment, segment the wifi and use VPN
> from there to get in to the resources on the wired subnet (among other
> security measures)
>
>
>
> ________________________________
>
> From: David W. McSpadden [mailto:[EMAIL PROTECTED]
> Sent: Monday, June 30, 2008 9:51 AM
>
> To: NT System Admin Issues
>
> Subject: WiFi setup
>
> I get to build a whole new datacenter for the Credit Union.
>
> Yeah.
>
> I am pretty good on everything with the exception that the new datacenter
> will have to have WiFi built in
>
> I am looking at 802.11g for now but I thought n was coming out.
>
> Does anyone have any comments on how to WiFi a 4000sqft building with 3
> floors?
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Data Security is everyone's responsibility.
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