| (I) A protocol for secure remote login and other secure network
services over an insecure network.
(C) Consists of three major components:
- Transport layer protocol: Provides server authentication,
confidentiality, and integrity. It may optionally also provide
compression. The transport layer will typically be run over a
TCP/IP connection, but might also be used on top of any other
reliable data stream.
- User authentication protocol: Authenticates the client-side
user to the server. It runs over the transport layer protocol.
- Connection protocol: Multiplexes the encrypted tunnel into
several logical channels. It runs over the user authentication
protocol.
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