Michael C. Toren on 3 Dec 2003 10:06:02 -0500


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Re: [PLUG] Ports needed to use Samba or MS networking functions


On Wed, Dec 03, 2003 at 09:49:19AM -0500, Jesse Huestis wrote:
> I have a situation where I am trying to limit the exposier of a LAN to 
> attacks from a wireless network.  What I have done is to issolate teh 
> wireless side giving it only internet access and blocking all other 
> traffic.  They need to connect to a Network and Printer share on the LAN 
> side from the wireless network.  
> 
> Solutions
> 
> 1) Put all computers on the same subnet, but this opens servers etc., to 
> attacks if someone hacks the wireless network.
> 
> 2) Open up the ports to make the connections and limit the routing to 
> just the IP addresses IP have assigned and to the times I have 
> designated using the firewall.

A third option, and the one I would strongly recommend, would be to
implement a VPN server, and require wireless users who wish to access
your internal network to first establish a VPN connection.

-mct
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