Menu & Search
How to Find Which Process is Listening on a Port in Windows

How to Find Which Process is Listening on a Port in Windows

This post is a guide on how to check what service is behind a running TCP or UDP port in Windows via GUI.

You might need this information to verify what port your service is running on, or you may be proactively reviewing your dodgy open ports!

In this post, I’m demoing 2 ways of getting the connection & listening port information in Windows –
# Show Listening Ports in Resource Monitor (easy GUI option)
# TCPView, Sysinternals Application (quick & small download)


Show Listening Ports in Resource Monitor

We can view see detailed listings of all TCP and UDP endpoints our machine using Resource Monitor.

Open Resource Monitor (resmon.exe), or open TaskManager → Performance tab

Open Resource Monitor

In Resource Monitor, open the Network tab and expand Listening Ports

Resource Monitor Listening Ports

TCPView, Sysinternals Application

TCPView is a Sysinternals tool that can be downloaded within seconds. TCPView shows all TCP and UDP endpoints on your system, and it’ll give you a better view of what you are looking for.

This might be the best option if you’re going to be spending some time reviewing this information as it has filtering and search functionality.

TCPView ->

This is an example of how it looks –

TCPView
Share

1 Comment

  1. […] If of interest, I have another post that relates to this – How to Find Which Process is Listening on a Port in Windows […]