What is SSH and how does it work?

Question

SSH or Secure Shell is a network communication protocol that enables two computers to communicate (c.f http or hypertext transfer protocol, which is the protocol used to transfer hypertext such as web pages) and share data.

How does SSH works step by step?

The steps involved in creating an SSH session go like this:1Client contacts server to initiate a connection.2The server responds by sending the client a public cryptography key.3The server negotiates parameters and opens a secure channel for the client.4The user, through their client, logs into the server.

How does SSH server work?

The way SSH works is by making use of a client-server model to allow for authentication of two remote systems and encryption of the data that passes between them. SSH operates on TCP port 22 by default (though SSH port can be changed if needed).

What is SSH example?

ssh stands for “Secure Shell”. It is a protocol used to securely connect to a remote server/system. ssh is secure in the sense that it transfers the data in encrypted form between the host and the client.

How does SSH work on Linux?

SSH is a secure protocol used as the primary means of connecting to Linux servers remotely. It provides a text-based interface by spawning a remote shell. After connecting, all commands you type in your local terminal are sent to the remote server and executed there.

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