Overview

Secure Shell (SSH) is a network security protocol. Using encryption and authentication, SSH implements remote login and file transfer securely over an insecure network.

SSH uses the typical client-server model to establish a channel for secure data transfer based on TCP.

SSH includes two versions: SSH1.x and SSH2.0 (hereinafter referred to as SSH1 and SSH2), which are not compatible. SSH2 is better than SSH1 in performance and security.

The device can work as an SSH server or as an SSH client. When acting as an SSH server, the device provides services to SSH clients and supports the following SSH versions:

When acting as an SSH client, the device supports SSH2 only. It allows users to establish SSH connections with an SSH server.

The device supports the following SSH applications: