ISA & 802.11 Networks...Ideas?

  • From: Brian McCann <bjm1287@xxxxxxxxxxxxxxxxxx>
  • To: isalist@xxxxxxxxxxxxx
  • Date: Wed, 05 Dec 2001 22:51:28 -0500

Hi everyone.  I'm about to embark on a project with wireless lans and
trying to make them a little more secure.  Not so much the 802.11
protocol itself , but I would like to the wireless people from accessing
everyone else on the network, and just be able to get right out to the
Internet.  IF the people on the wireless lan need to access resources on
one of the machines that is "wired", then I would like to use something
like PPTP so I can force encryption and authentication for access to
that information.  My first question is, if I add an interface to my ISA
server and make it just for the Wireless Access Points, can ISA keep it
separate from everyone else, so that they can not view that network at
all?  Second, and this is just a theory question since I have not tried
this yet, but would setting up ISA to allow PPTP/VPN through the
different internal networks be the same as setting it up to allow
someone on the Internet to VPN in to a private network?  Does anyone
else have any other ideas to try to keep it secure?  My main mission is
to keep people who don't belong on the network (like some guy driving
down the street with his laptop on) from getting access to more secure
parts of the network (where the data servers are).
 
Thanks in advance,
--Brian

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