Powershell – Opening a TCP port

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 2022
• Windows 10
• Windows 11

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Tutorial Powershell – Opening a TCP port

As an Administrator, start a Powershell console.

Create a Powershell script to open a TCP port.

Edit the Powershell script.

Here is the script content.

Execute the Powershell script to open a TCP port.

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

On a remote computer, connect to the TCP port.

Optionally, use a Telnet client application.

Here is the command output.

Type something to send data over the TCP connection.

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.

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