H3C Technologies H3C S3100 Series Switches - Manual (Page 719)

1-6
Table 1-3 Follow these steps to configure the user interface for SSH clients:
To do... Use the command... Remarks
Enter system view system-view —
Enter user interface view of
one or more user interfaces user-interface vty first-number
[ last-number ]
—
Configure the
authentication mode as
scheme
authentication-mode scheme
[ command-authorization ]
Required
By default, the user interface
authentication mode is
password.
Specify the supported
protocol(s) protocol inbound { all |ssh |
telnet }
Optional
By default, both Telnet and
SSH are supported.
z If you have configured a user interface to support SSH protocol, you must configure AAA
authentication for the user interface by using the authentication-mode scheme command to
ensure successful login.
z On a user interface, if the authentication-mode password or authentication-mode none
command has been executed, the protocol inbound ssh command is not available. Similarly, if
the protocol inbound ssh command has been executed, the authentication-mode password
and authentication-mode none commands are not available.
Configuring the SSH Management Functions
The SSH server provides a number of management functions. Some functions can prevent illegal
operations such as malicious password guess, further guaranteeing the security of SSH connections.
Table 1-4 Follow these steps to configure SSH management functions:
To do... Use the command... Remarks
Enter system view system-view —
Set the SSH authentication
timeout time ssh server timeout
seconds
Optional
By default, the SSH authentication
timeout time is 60 seconds.
Set the number of SSH
authentication retry attempts
ssh server
authentication-retries
times Optional
By default, the number of SSH
authentication retry attempts is 3.
Set the RSA server key
update interval ssh server rekey-interval
hours
Optional
By default, the system does not update
the RSA server keys.
Configure a login header header shell text
Optional
By default, no login header is
configured.