create additional addresses on single nic

Hi

I have heard its possible to have multiple IP address on a single nic. I
am trying to figure this out. I have inherited a site that is running
Windows 2000 small business Server. They are running Exchange and using
the Web client. The problem with this is that they also have a internal
web site. They are both on the same address so if I expose the Exchange
web client to the internet then I also expose the internal site to the
itnernet.
My thought was to bind a new address to the nic, split up the sites and
just expose exchange. That or if I could prompt for a ID and password
before someone could acess the site. Or any other ideas.

thanks

Will

Why not try adding Directory Security to the intranet part of the site so
that only the IP addresses of your local network have access to the intranet
resources. You could also add windows authentication to the relevant
folders and maybe use host headers to avoid having to bind an additional IP
address to the network interface.