Which process is listening on a port windows

Edit Profile. Sign Out View Profile. Over 2 million developers have joined DZone. Learn how to see which process or application is using a particular port, and likewise, which port is being used by a particular process. Like 5. Join the DZone community and get the full member experience. If the IP address is akin to a street address on a piece of mail, the port is something like the name of the person at that residence who gets the mail. All these methods should work no matter which version of Windows you use.

Most of the time, that command will work fine. After you hit Enter, the results may take a minute or two to fully display, so be patient. Here, for example, you can see that port is tied up by a process named picpick. PicPick is an image editor on our system, so we can assume the port is actually tied up by the process that regularly checks for updates to the app. Type the following text at the Command Prompt, and then hit Enter:.

Go ahead and download the tool. Just make sure you get the right version the regular version is for bit Windows and the x64 version is for bit Windows.

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The -a option means all, -n means show ports numerically not names, -p means show process id and name. The fuser command identifies which process is using a file or socket. With some clever options we can find all the information we need about which process is listening on a port. Here we use the -v option for verbose mode, and the -n option to select the corresponding namespace, followed by TCP port The ss command is pegged as the replacement for netstat.

However, I think netstat is so ingrained in people that it will be a while before it goes anywhere. The ss commands syntax in my opinion is a little more convoluted, but that may be because I am old and set in my ways. Determine which program uses or blocks a port Open a CMD prompt. Type in the command: netstat -ano -p tcp. Use the netstat command lists all the active ports. Port number is usually used for web servers.

When a port number is added to the end of the domain name, it drives traffic to the web server. However, users can not reserve port for secondary web servers.

In the Run dialog box, enter: cmd. Click OK. In the command window, enter: netstat -ano. A list of active connections is displayed.