Sidewinder G2 6.1.2 Administration Guide - Glossary of Technical ...

Chapter 2: Administrator’s Overview
Administering Sidewinder G2 using Secure Shell
Administering
Sidewinder G2
using Secure
Shell
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Secure Shell (SSH) provides secure encrypted communication between two
hosts over an insecure network, allowing you to securely manage your
Sidewinder G2 from a remote location. This section describes how to configure
and use the Sidewinder G2 as an SSH server and/or an SSH client.
• The procedures covered in the following sections are based on OpenSSH
version 3.8.1p1. It provides support for SSH version 1.5 and 2.0 sessions.
• sftp and sftp-server are included in OpenSSH and installed on the
Sidewinder G2.
Configuring the Sidewinder G2 as an SSH server
On the Sidewinder G2, SSH is typically used by administrators to log into the
Sidewinder G2 securely from a remote machine. In this case the Sidewinder
G2 acts as the SSH server.
When configuring the SSH server you have the option to use
RSA/DSA authentication. If you use RSA/DSA authentication, the
authentication is accomplished via an exchange of public and private keys
between the server and the client. The downside of RSA/DSA authentication is
that it requires a bit more of an administrative effort. If you elect NOT to use
RSA/DSA authentication, the SSH clients must enter their Sidewinder G2 user
name and authentication information when initiating the SSH connection.
The following sub-sections provide specific information on configuring the
Sidewinder G2 as an SSH server using RSA or DSA authentication, as well as
general information on configuring the SSH server.