There are 2 types of firewalls available i.e. software firewall and hardware firewall. Both firewalls are good for Windows 2000 Professional, but I will suggest you to opt for hardware ">firewall appliance which is better and more reliable than software counterpart.
The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Compnet Ventures, LLC hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.