Would you like to learn how to open a TCP port using Powershell? In this tutorial, we are going to show you how to use Powershell to configure a TCP port in listening mode on a computer running Windows.

• Windows 2012 R2
• Windows 2016
• Windows 2019
• Windows 10
• Windows 11

Equipment list

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Tutorial Powershell - Opening a TCP port

As an Administrator, start a Powershell console.

Windows 10 - powershell elevated

Create a Powershell script to open a TCP port.

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Edit the Powershell script.

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Here is the script content.

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Execute the Powershell script to open a TCP port.

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In our example, we configure a Powershell script to open the TCP port 55.

On a remote computer, connect to the TCP port.

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Optionally, use a Telnet client application.

Powershell - Open TCP Port

Here is the command output.

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Type something to send data over the TCP connection.

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All information received over the TCP connection will be saved on a text file named TEST.

This file is located on the root of drive C.

To close the TCP connection, enter the QUIT command.

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Congratulations! You are able to open a TCP port using Powershell.