Chapter 4 Configuration
NSG Series User’s Guide
21
4.2 SSH
You can use SSH (Secure SHell) to securely access the NSG’s command line interface. Specify from
which IP address the access can come.
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 NSG for a
management session.
Figure 18 SSH Communication Over the WAN Example
4.2.1 How SSH Works
The following figure is an example of how a secure connection is established between two remote hosts
using SSH v1.
Figure 19 How SSH v1 Works Example
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