Hvordan finder jeg ud af hvilken applikation der anvender port 80 og 443?

Here’s a few built-in commands and how to guide that can help users to find out and identify which application or process that is already using, opening and listening on port 80 or 443 on the Winodws operating system such as Windows Vista, Windows XP, Windows 7, Windows Server 2003 and 2008.

1. Open Command Prompt window by typing Cmd in Run command box or Start Search, and hit Enter.
2. Type in the following netstat command:netstat -o -n -a | findstr 0.0:80

   or

   netstat -o -n -a | findstr 0.0:443

3. Find PID in tray to find out which application is using the port
   (ex. TCP   0.0.0.0:443  0.0.0.0:0  LISTENING  3696)