Depends on what your definition of "not too expensive" is, and it depends
on what your internet connection is. I am assuming you probably have DSL
or Cable, which means your Internet is coming in on an Ethernet line. You
can probably get a used Cisco 2514 on Ebay and load the Firewall Feature
Set on it for around $800. This way you have two ethernet ports, one is
the "outside" and one is the "inside", and you can NAT between the two. Or
you might even chance upon a PIX 515R for around the same price. If that
is too expensive, I think Linksys has a Cable/DSL router that has a built
in 4-port switch and a rudimentary Firewall feature set built-in, and also
supports NAT for about $180. And finally, if you're looking for the
cheapest route possible and you have a spare PC available (even a 486DX),
you can just load up Linux or FreeBSD and take advantage of all the free
Firewall, NAT, and other networking software they have available on those
platforms. Of course this implies having a basic understanding of
Unix-like operating systems and how to configure them as
Routers/Firewalls. On the flip side, if you have a relatively beefy spare
PC, you can put Win2k server on it which has some basic traffic filtering
capabilities and NAT built in as well, and the nice GUI administrative
utilities that comes with it.
Personally, I have 2 2500 routers (2503 and 2513) back to back via serial
ports. They were/still are being used for my lab at home, but they are
also doing double duty as my NAT/Firewall solution. One router is the
outside router and the other router is the inside. I am also running
FreeBSD as my mail server, DNS server, web server, ftp server, syslog
server, LDAP server and TACACS+ server.
Finally, if you're interested, I have a used Compatible Systems MicroRouter
1270i that has 2 ethernet ports and 1 T1 CSU/DSU wan port. It can do NAT
and firewall between the two ethernet interfaces. And it can also function
as a dial-in RAS server because it has an RS-232 serial port. I sold one
on Ebay for $500 a while ago. I can probably do this one for a little
less, since they are no longer supported by the manufacturer.
Hope this helps...
Iohan
At 04:25 PM 9/27/2000 -0700, Jim Bond wrote:
>Hello,
>
>Any recommendation on a good hardware personal
>firewall? I'm looking for a not too expansive, easy to
>configure, can support NAT one.
>
>Thanks in advance.
>
>
>Jim
>
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