ECS4100 Series Web Management Guide-R07

Table Of Contents
Chapter 12
| Security Measures
Configuring the Secure Shell
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d. When the server receives this message, it checks whether the supplied
key is acceptable for authentication, and if so, it then checks whether
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 312.
Parameters
These parameters are displayed:
SSH Server Status – Allows you to enable/disable the SSH server on the switch.
(Default: Enabled)
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.