In this section, you will be introduced to the SSH protocol.
Understanding the SSH protocol
SSH introduction
Secure shell (SSH) is a protocol that facilitates secure communications between two systems using a client/server architecture and allows users to connect to a host remotely. Unlike other remote communication protocols, such as FTP or Telnet, SSH encrypts the connection session, making it impossible for anyone to obtain unencrypted passwords.
SSH is a protocol that was built with the aim of offering a secure alternative to other commands for remote connection from another machine, and allows you to authenticate a user through a secure channel.
For Mac and Linux users, the ssh command comes installed by default. The...