[TriLUG] Dual Network Question

Glenn Hennessee Glenn_Hennessee at ncsu.edu
Tue Mar 15 10:53:22 EST 2005


Dave Sorenson wrote:
> How about a mesh strainer?
> http://www.stanford.edu/~jstockdl/tmp/usbwifi.orcon.net.nz/ I've also heard
> of wok's being used, but can't find the linky ATM
> 
> Dave S 
> 
> -----Original Message-----
> From: trilug-bounces at trilug.org [mailto:trilug-bounces at trilug.org] On Behalf
> Of Aaron Bockover
> Sent: Tuesday, March 15, 2005 10:23 AM
> To: Triangle Linux Users Group discussion list
> Subject: Re: [TriLUG] Dual Network Question
> 
> I do have the wireless secured with a 128 bit WEP key, and my admin login
> isn't "admin:admin", but it is true... now some of the services I am running
> on my network are exposed to the wireless devices too. A few close friends
> of mine have my WEP key, but it'd be nice to be able to provide something
> like limited access if no WEP key is provided, or total access if the
> correct one is - but I doubt I can do that with a $30 D-Link box. But since
> they are so cheap, I guess there's nothing stopping me from buying another,
> and setting it up with the main network as the "ISP", connecting through the
> WAN port. 
> 
> Here's a project for summer: what would it take to be able to pick up my
> wireless signal from about 5 to 6 blocks away, in a slightly crowded (trees
> and houses) neighborhood? I'd be great to have access to my desktop from my
> laptop while sitting at the pool. Would a pringles can on the roof pointed
> at the pool take care of this?
> 
> Regards,
> --Aaron
> 
> 
> 
> On Tue, 2005-03-15 at 08:49 -0500, Tanner Lovelace wrote:
> 
>>Since wireless isn't nearly as secure as wired, running wireless on a 
>>separate subnet actually does make sense from a security standpoint.  
>>But, it would be nice to combine that with a good VPN setup where you 
>>could run a laptop through the wireless but still make it show up in 
>>the local network and have all the same services it would have if it 
>>were connected to the wired network.  Unfortunately, setting that up 
>>ins't nearly as easy as setting up a wireless access point.  If 
>>anyone's got something like that setup, I'd love to hear about it.  
>>(Note, btw, that I'm not talking about SSHing into the network.  I'm 
>>looking for nothing less than a full VPN setup where the wireless 
>>laptop through the VPN ends up on the same subnet as the internal
>>network.)
>>
>>Cheers,
>>Tanner
>>
>>
>>On Mon, 14 Mar 2005 20:28:24 -0500, Joel Ebel <jbebel at ncsu.edu> wrote:
>>
>>>Do you really need your wireless network to be on a different subnet?
>>>Why not turn off the routing/dhcp functions of the wireless router 
>>>and just use it as an access point?  Don't plug anything into the WAN
> 
> port.
> 
>>>  Then all your systems, wireless and wired will be in the same 
>>>subnet and connecting between them will be straightforward.
>>>
>>>Joel
>>>
>>>Aaron Bockover wrote:
>>>
>>>>I'm sure this general question has been brought up before, but I'm 
>>>>having a heck of a time figuring this out...
>>>>
>>>>I have a decent sized home-network, with an old PC serving as a 
>>>>router (Smoothwall). The gateway/LAN address for it is 
>>>>192.168.0.1. It is the primary network, and serves the DSL 
>>>>connection. I've got a switch with about 15 devices on it, including a
> 
> D-Link AirPlus G wireless router.
> 
>>>>The gateway/LAN address for it is 192.168.1.1.
>>>>
>>>>Its WAN interface is configured to connect to the primary network, 
>>>>with a static WAN IP address: 192.168.0.20. The MAC address for 
>>>>the D-Link is entered for that IP address in my Smoothwall config. 
>>>>The DNS entries are all correct on both routers, and when I 
>>>>connect to the D-Link with my laptop, I can access the Internet 
>>>>through the primary router. All is okay here.
>>>>
>>>>I would *really* like to be able to access systems from the 
>>>>wireless LAN on the primary network. My desktop is wired into the 
>>>>192.168.0.1 LAN, but my laptop connects wirelessly on 192.168.1.1. 
>>>>I would love to be able to SSH/Remote X to my desktop from my 
>>>>laptop, and also access other services/servers on my primary LAN.
>>>>
>>>>I have tried forwarding ports from the 192.168.1.1 LAN to the WAN 
>>>>IP (192.168.0.20), hoping the Smoothwall router would then 
>>>>broadcast those forwarded requests into its LAN, but to no avail.
>>>>
>>>>What am I missing here?
>>>>
>>>>Thanks,
>>>>Aaron Bockover
>>>>
>>>>
>>>
>>>--
>>>TriLUG mailing list        :
> 
> http://www.trilug.org/mailman/listinfo/trilug
> 
>>>TriLUG Organizational FAQ  : http://trilug.org/faq/ TriLUG Member 
>>>Services FAQ : http://members.trilug.org/services_faq/
>>>TriLUG PGP Keyring         : http://trilug.org/~chrish/trilug.asc
>>>
>>
>>
>>--
>>Tanner Lovelace
>>clubjuggler at gmail dot com
>>http://wtl.wayfarer.org/
>>http://www.freeiPods.com/?r=8127171
>>(fieldless) In fess two roundels in pale, a billet fesswise and an 
>>increscent, all sable.
> 
> 
check out http://www.freeantennas.com/projects/template/ for 
pattern/template for a parabolic antenna made from wire mesh from the 
hardware store.
glenn




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