Ssh Settings; Ssh Authentication Method And Algorithm Settings - D-Link DGS-3120-24TC Product Manual

xStack® DGS-3120 Series Managed Switch Web UI Reference Guide
three choices as to the method SSH will use to authorize the user, which are Host Based, Password, and
Public Key.
3 Configure the encryption algorithm that SSH will use to encrypt and decrypt messages sent between the
SSH client and the SSH server, using the SSH Authentication Method and Algorithm Settings window.
4 Finally, enable SSH on the Switch using the SSH Configuration window.
After completing the preceding steps, a SSH Client on a remote PC can be configured to manage the Switch using
a secure, in band connection.

SSH Settings

Users can configure and view settings for the SSH server.
To view this window, click Security > SSH > SSH Settings as shown below:
The fields that can be configured are described below:
Parameter
SSH Server State
Max. Session
Connection Timeout
Authfail Attempts
Rekey Timeout
TCP Port Number
Click the Apply button to accept the changes made for each individual section.

SSH Authentication Method and Algorithm Settings

Users can configure the desired types of SSH algorithms used for authentication encryption. There are three
categories of algorithms listed and specific algorithms of each may be enabled or disabled by ticking their
corresponding check boxes. All algorithms are enabled by default.
Figure 8–59 SSH Settings window
Description
Use the radio buttons to enable or disable SSH on the Switch. The default is
Disabled.
Enter a value between 1 and 8 to set the number of users that may simultaneously
access the Switch. The default setting is 8.
Allows the user to set the connection timeout. The user may set a time between 120
and 600 seconds. The default setting is 120 seconds.
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.
This field is used to set the time period that the Switch will change the security shell
encryptions by using the pull-down menu. The available options are Never, 10 min,
30 min, and 60 min. The default setting is Never.
Here the user can enter the TCP Port Number used for SSH. The default value is 22.
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