Telnet & SSH

Telnet

Telnet (stands for “teletype network”.) is an application protocol used on the Internet or local area network to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection.

User data is interspersed in-band with Telnet control information in an 8-bit byte oriented data connection over the Transmission Control Protocol (TCP).

SSH

SSH was designed as a replacement for Telnet and for unsecured remote shell protocols such as the Berkeley rsh and the related rlogin and rexec protocols.

Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network. Typical applications include remote command-linelogin, and remote command execution, but any network service can be secured with SSH.

SSH Tools

Can use SSH tools to access hardware and software in a hardware, for example, to access a remote virtual machine.

Some SSH tools: PuTTY; MobaXterm


Reference

  1. En.wikipedia.org. 2021. Telnet – Wikipedia. [online] Available at: <https://en.wikipedia.org/wiki/Telnet> [Accessed 8 October 2021].
  2. En.wikipedia.org. 2021. Secure Shell – Wikipedia. [online] Available at: <https://en.wikipedia.org/wiki/Secure_Shell> [Accessed 8 October 2021].

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