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Secure Shell (SSH) is a protocol for secure remote access and communication over an unsecured network. It uses public-key cryptography to authenticate the remote computer and the user, and supports various applications such as file transfer, port forwarding and X11 forwarding.
PuTTY is a software that allows secure remote access to other computers via various network protocols, such as SSH, Telnet, and SCP. It supports many features, such as encryption, port forwarding, and terminal emulation, and has been ported to several operating systems.
Tunneling protocol is a communication protocol that allows data to move from one network to another through encapsulation. Learn how tunneling works, what are its uses and common protocols, and how to bypass firewalls with tunneling.
The IETF Internet Draft states that, even though this protocol is described in the context of the SSH-2 protocol, it could be used in a number of different applications, such as secure file transfer over Transport Layer Security (TLS) and transfer of management information in VPN applications.
Learn about the File Transfer Protocol (FTP), a standard communication protocol for file transfer between a server and a client. FTP uses two ports: 21 for control and 20 for data, and can run in active or passive mode depending on the network configuration.
Web-based SSH is the provision of Secure Shell (SSH) access through a web browser, without the need to install any additional software. Learn about its advantages, disadvantages, technology, and examples of free and open source solutions.
OpenSSH is a cross-platform suite of programs that provide a secure channel over an unsecured network using the SSH protocol. It includes scp, sftp, ssh, ssh-keygen, sshd and other tools for file transfer, remote access, authentication and encryption.
Secure copy protocol (SCP) is a means of securely transferring computer files between a local host and a remote host or between two remote hosts. It is based on the Secure Shell (SSH) protocol and runs over TCP port 22 by default.