In computing, Secure Shell or SSH is a set of standards and an associated network protocolsecure channel between a local and a remote computer. It uses public-key cryptography to authenticate the remote computer and (optionally) to allow the remote computer to authenticate the user. SSH provides confidentiality and integrity of data exchanged between the two computers using encryption and message authentication codestunneling, forwarding arbitrary TCP ports and X11 connections; it can transfer files using the associated SFTP or SCP protocols. An SSH server, by default, listens on the standard TCP port 22. that allows establishing a (MACs). SSH is typically used to log into a remote machine and execute commands, but it also supports

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Metasyntactic variable".

Source from:http://en.wikipedia.org

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