We have 50 Win95 PC's on a LAN, connecting to an NT server. We dial out
from desktops, through a Perle modem pool, to a local ISP. Internet
connection time is not enough that we need a dedicated line...we just
use PPP and POTS.
Currently, LAN protocols are NetBEUI and IPX. TCP/IP only runs bound to
the dial-up connection, not between PC's.
Do we need some kind of firewall? We have anti-virus software on PC's
and server. Only have the one server....mainly to run the SNA Server
connection to the AS400.
6 users get Email. We have no internal Email system, although that will
come next year.
I bought the Centri firewall, but it wants an InterNIC registered IP
address for the outgoing side...something we don't have since we're
assigned an address on PPP connection. And it wants to live on a
separate NT Server installation.
Seems like overkill.
Any suggestions would be appreciated.