How-To Geek on MSN

How to Check Open TCP/IP Ports in Windows

Run the command "netstat -ab" in an elevated Command Prompt, PowerShell, or Terminal window to see a list of applications and their associated ports. Checking open ports can be done using built-in ...
Ars Technica

How to find out what is listening to port 443 on Windows 2000 or IIS5?

We ran a vunlerability scan on one of our web servers running Windows 2000 and IIS5, and it came back saying port 443 was listening, but it doesn't seem to be SSL (HTTPS). We don't have any certs on ...