How Ssh Works - ZyXEL Communications ZYWALL USG 2000 Manual

SSH is a secure communication protocol that combines authentication and data
encryption to provide secure encrypted communication between two hosts over an
unsecured network. In the following figure, computer A on the Internet uses SSH
to securely connect to the WAN port of the ZyWALL for a management session.
Figure 483 SSH Communication Over the WAN Example

45.7.1 How SSH Works

The following figure is an example of how a secure connection is established
between two remote hosts using SSH v1.
Figure 484 How SSH v1 Works Example
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Chapter 45 System
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