Sure, you could use an enterprise grade application layer inspection firewall like an ISA or TMG firewall, but if you just want to protect your computer, or a couple of computers, then check out the power of the HOSTS file and how it can protect you from nasty things out there on the Internet.
http://www.mvps.org/winhelp2002/hosts.htm
HTH,
Tom
Thomas W Shinder, M.D., MCSE
Sr. Consultant / Technical Writer
Prowess Consulting www.prowessconsulting.com
PROWESS CONSULTING | Microsoft Forefront Security Specialist
Email: [email protected]
MVP – Forefront Edge Security (ISA/TMG/IAG)