Web Management Guide-R05

Table Of Contents
Chapter 12
| Security Measures
Configuring the Secure Shell
– 274 –
the signature is correct. If both checks succeed, the client is
authenticated.
Note:
The SSH server supports up to eight client sessions. The maximum number
of client sessions includes both current Telnet sessions and SSH sessions.
Note:
The SSH server can be accessed using any configured IPv4 or IPv6 interface
address on the switch.
Configuring the
SSH Server
Use the Security > SSH (Configure Global) page to enable the SSH server and
configure basic settings for authentication.
Note:
You must generate RSA host keys before enabling the SSH server. See
“Generating the Host Key Pair” on page 275.
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 and the
switch supports management access only from SSH Version 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)
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.