How-To Geek on MSN

How to Check Open TCP/IP Ports in Windows

Checking open ports can be done using built-in tools like Command Prompt or PowerShell, which list active ports and the ...
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 ...