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xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch
270
Auth. Fail (2-20)
Allows the Administrator to set the maximum number of attempts that a user may try to log on
to the SSH Server utilizing the SSH authentication. After the maximum number of attempts
has been exceeded, the Switch will be disconnected and the user must reconnect to the
Switch to attempt another login. The number of maximum attempts may be set between 2 and
20. The default setting is 2.
Session Rekeying
Using the pull-down menu uses this field to set the time period that the Switch will change the
security shell encryptions. The available options are Never, 10 min, 30 min, and 60 min. The
default setting is Never.
SSH Authentication Mode and Algorithm Settings
Figure 11- 44. Encryption Algorithm window
The following algorithms may be set:
Parameter Description
SSH Authentication Mode and Algorithm Settings
Password This parameter may be enabled if the administrator wishes to use a locally configured
password for authentication on the Switch. The default is Enabled.
Public Key This parameter may be enabled if the administrator wishes to use a public key configuration
set on a SSH server, for authentication on the Switch. The default is Enabled.
Host-based This parameter may be enabled if the administrator wishes to use a host computer for
authentication. This parameter is intended for Linux users requiring SSH authentication
techniques and the host computer is running the Linux operating system with a SSH
program previously installed. The default is Enabled.
The SSH Algorithm window allows the
configuration of the desired types of SSH
algorithms used for authentication encryption.
There are four categories of algorithms listed and
specific algorithms of each may be enabled or
disabled by using their corresponding pull-down
menus. All algorithms are enabled by default. To
open the following window, click Security >
SSH > SSH Authentication Mode and
Algorithm Settings: