Secure Shell (SSH)
Dosed by Vivekasundaram – M & E Team (from MphasiS Software Services)
What is an SSH?
Secure Shell or SSH is a secure Client/Server protocol for encrypting and
transmitting data over a network. Whenever data is sent by a computer to the
network, SSH automatically encrypts it and when the data reaches the indented
recipient SSH decrypts it. Encryption provides confidentiality and integrity of
data over an insecure network, such as the Internet.
What is its usefulness?
The SSH-2 protocol has an internal architecture with well-separated layers such
as the transport, user authentication and connection layer .SSH supports secure
remote logins, secure remote command execution, secure file transfers, access
control, TCP/IP port forwarding and other important features.
SSH-2 is more secure from the standpoint that the communication is encrypted
and some attempt has been made to guarantee the authenticity of the users, the
client and 'server' applications haven't been compromised and that the data
being transferred has not been tampered with during transport between the two
endpoints.
Further References
http://en.wikipedia.org/wiki/Secure_Shell
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