Chapter 12
| Security Measures
Configuring the Secure Shell
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Parameters
These parameters are displayed:
◆ SSH Server Status – Allows you to enable/disable the SSH server on the switch.
(Default: Disabled)
◆ Version – The Secure Shell version number. Version 2.0 is displayed, but the
switch supports management access via either SSH Version 1.5 or 2.0 clients.
◆ Authentication Timeout – Specifies the time interval in seconds that the SSH
server waits for a response from a client during an authentication attempt.
(Range: 1-120 seconds; Default: 120 seconds)
◆ Authentication Retries – Specifies the number of authentication attempts
that a client is allowed before authentication fails and the client has to restart
the authentication process. (Range: 1-5 times; Default: 3)
◆ Server-Key Size – Specifies the SSH server key size. (Range: 512-896 bits;
Default:768)
■
The server key is a private key that is never shared outside the switch.
■
The host key is shared with the SSH client, and is fixed at 1024 bits.
Web Interface
To configure the SSH server:
1. Click Security, SSH.
2. Select Configure Global from the Step list.
3. Enable the SSH server.
4. Adjust the authentication parameters as required.
5. Click Apply.
Figure 188: Configuring the SSH Server
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