Telnet port 21 windows

Add a comment. Active Oldest Votes. Improve this answer. Martin Prikryl k 47 47 gold badges silver badges bronze badges. Could not open connection to the host. K Dilshan M. K Dilshan 3 3 3 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook.

Sign up using Email and Password. Submit and view feedback for This product This page. View all page feedback. In this article. Attempts automatic logon. Specifies the terminal type. How to telnet to a port using telnet on Windows Telnet was the chosen command line tool for communication over the network, you were able to open a connection using telnet to a remote device and, if the remote device had a telnet server installed on it you can run the command on that server.

In late time, telnet protocol is less in use due to lake of security, telnet sends a receive pure text that is not encrypted and that why most of the terminal communication move to the Secure Shell known as SSH. Telnet uses a default port for communication, the default telnet port is 23, but you can use telnet on any other port you want. As telnet is a command line interface tool that expects parameters you can set the port you want to connect to.

To do so, we need to open the command line interface. You can do it in several ways. Once you have your command line windows open you can type in telnet to check if telnet is installed on your system. If telnet is not installed on your system, please refer to installing telnet on windows 10 section to installing it. If you only type telnet and it installed on your system it will enter you into the telnet interactive session.

Locate the Telnet Client option on the list, select it and click OK to install the feature:. Open the command prompt and run telnet to open the Microsoft Telnet Client:. Restart the command prompt and run telnet to open the Microsoft Telnet Client. Running the command on an open port 23 displays the screen of the telnet host, confirming an established Telnet connection:.

The Telnet communication protocol provides a way to establish a direct connection with a remote host. Although not a secure option for most tasks, there are use cases where Telnet is a viable option. For further reading, check out the more secure option and learn how to use SSH to connect to a remote server in Linux or Windows. What is Telnet? How Does Telnet Work? How to Enable Telnet on Windows 10?