I originally set up a wireless network for our office that allowed basic file
and printer sharing, as well as a network printer.  Since that time computers
and OS have come and gone, in my absence other techs have come in to get new
computers set-up, and it appears that the network is no longer secure.  I
have been given the task of re-establishing a secure network, but the job is
a bit more complex than the first time I did this.  Here is the scenario I
have to work with.

-There are 6 computers, both desktops and laptops, both XP and Vista.

-3 computers connect wireless (two desktop, one laptop -- one of the
desktops is -Vista).

-3 computers connect via ethernet cable.

-The "access points" are a Linksys wireless 54G router slaved off of a Intel
5-port Business Hub (I can go into more detail if necessary).  HOWEVER, we
have a D-Link Xtreme-N Wireless Router sitting in the box, and this "problem"
may be the perfect opportunity to switch hardware.

-There are three printers in various offices that are wired to their PC's
and are set up to be shared.

-There is one network printer connected to one of the access points (not
sure which as I type).

-The hope is to have the wireless router be unsecure so as to allow anyone
coming in to access the net, yet have a secure small office network that
allows file and printer sharing between office computers that is not visible
to other users logged on to the wireless.

Make sense?  If so, is there any way to accomplish this sort of going out
and purchasing a server?

Thanks!

Clifford