Want more Win2K tips and tricks? Automatically sign up for our free Windows 2000 Professional newsletter, delivered each Tuesday!Network security is a critical issue for businesses because of the potential for data theft, denial-of-service (DoS) attacks, and other threats. Knowing the exposure level for a given computer will help you better protect your machines.
The fewer ports open and listening on a computer, the less exposure there is to attack and potential compromise of the system. You can use the netstat program that comes with Windows to identify which ports are open on a system and identify current connections.
To identify ports, open a command console and type the following command:
To view an IP address for local and remote addresses rather than host names, add the -n switch:
If you only want to view active connections and not listening ports, use the netstat command without any switches.