What is SSH (Secure Shell), and What are its Features?
Secure Shell (SSH) is a network protocol that provides users, especially system administrators, a secure way to access a computer over an unsecured network.
SSH is a network protocol that provides users, especially system administrators, a secure way to access a computer over an unsecured network.
SSH provides strong authentication and encrypted data communication between two computers connected over an open network such as the internet. SSH is widely used by network administrators to remotely manage systems and applications. Thus, this protocol allows users to log in to another computer over the network, execute commands, and move files from one computer to another.
SSH refers to both the cryptographic network protocol and the suite of utilities implementing this protocol. SSH uses a client-server model that connects an SSH server where the session ends with a secure shell client application that displays the end of the session.
The SSH protocol implementations often include support for application protocols used for terminal emulation or file transfers. SSH can also be used to create secure tunnels for other application protocols or to securely run Window System graphics sessions remotely. By default, an SSH server listens to standard Transmission Control Protocol (TCP) port 22.
Secure Shell Features
- It allows users to remotely access SSH-enabled network systems or devices, as well as automatic operations.
- Initiates a secure and interactive file transfer session.
- Automatic and secure file transfer.
- It realizes the secure transmission of commands to remote devices or systems.
- Provides secure management of network infrastructure components.
SSH Client
SSH client usually refers to your own computer with which you want to connect with the server. To establish a connection to the remote server, you must install or use software that creates an SSH connection. These programs are often called SSH clients.
SSH Server
Most software for clients runs on servers. There is also software specially designed for SSH servers. It is common practice to initially launch SSH on servers. This ensures that the server can be accessed from outside via SSH at any time.
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