What to use for a Firewall device?

Hello,

I have the SBS 2003 w/o sp1, standard edition.

We have added a cable modem to the office, and have yet to engage it.
We need some firewall in place, and personal the one that is part of
SBS 2003 standard, I do not think is hardened enough.

I have two NIC's in the SBS 2003 server, and currently the server is
the DHCP server as well.

We have disabled a fair number of the remote access parts of the
server, and really need to be sure that all outside access is disabled.

I also only have the Exchange set up for Internal e-mail, and would
like
some way to confirm that it is not wanting to fetch or send send any
e-mail.

I am think in of a Hareware device, Watchguard, Cisco 501 pix. I am
open to ideas, may be the ISA server or some other Firewall OS/software
in a PC.

I am really wanting to try to keep the One NIC in the server pointing
to the internal network, and the second NIC pointed to the Wild
internet.

If I had my way this office network would NEVER see the Internet at
all. This network must be very Secure, very tight, think of it as if I
had every bit of health info on you and all of your banking info in
toto.

If you can point me to some good reference sites, that work be very
helpful as well.

Thanks for your time.

Stephen

.

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