Tuesday, April 15, 2014

how can i check which app using port 443

Open command prompt(start -> run -> cmd) and type the following command :

C:\> netstat -aon | findstr 0.0:443
Last column of the output is the PID of the application using port 443.

You can find the application name in Task Manager. Go to Process Tab then in Menu Bar of Task Manager go to View -> Select Column -> Check "PID" and press Ok. Search for the PID in the list(Click Below "Show processes from all users" in case if you don't find the PID)

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