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Telnet

A terminal emulation that enables a user to connect to a remote host or device using a telnet client, usually over over port 23. For example, typing "telnet hostname" would connect a user to a host named "hostname". Telnet enables a user to manage an account or device remotely. For example, a user may telnet into a computer that hosts their website to manage his or her files remotely. The image to the right is an example of what a telnet session may look like. As can be seen from the example to the right a telnet session is a command line interface.

Telnet is considered insecure because it transfers all data in cleartext, which means if a user was sniffing a network, it's very possible they could easily grab your username and password as they were being transmitted. Users who are concerned about the data being transmitted should consider SSH as opposed to telnet.

  • Additional information about accessing and using the telnet program in your operating system can be found on our telnet help page.

Also see: Network definitions, SSH

 

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