SSH is an application protocol and software suite that allows secure network services over an insecure network such as the public Internet. It replaces other, insecure protocols and services, including telnet and ftp. It can be used for remote terminal connections, remote file copying, and forwarding X11 sessions as well as arbitrary TCP ports through a secure tunnel. It secures connections over the internet by encrypting passwords and other data. Once launched, it transparently provides strong authentication and secure communications over insecure networks.

By Harish N. Vasista at Daemon News.

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