D-Link DGS-1210 Series - Security > SSH > SSH Settings; Security > SSH > SSH Authmode and Algorithm Settings

4 Web-based Switch Configuration D-Link Smart Managed Switch User Manual
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State: Specifies the state to be enabled or disabled.
Click Apply to implement changes made.
Prevention Settings:
Type: Selects the attack types to be prevented. The types are Land Attack, TCP Null Scan, TCP Xmascan,
TCP SYNFIN, TCP SYN SrcPortless 1024 or All.
State: Specifies the state to be enabled or disabled.
Click the Apply button to implement changes made.
Security > SSH > SSH Settings
SSH is an abbreviation of Secure Shell, which can establish secured and encrypted connection between end
point hosts. SSH is safer method then clear text transmission (telnet) which offer higher level security for
network administrator.
Figure 4.120 – Security > SSH > SSH Settings
To configure the SSH server on the Switch, modify the following parameters and click Apply:
SSH State: Enabled or Disabled SSH on the Switch. The default is Disabled.
Max Session (1 - 4): Enter a value between 1 and 4 to set the number of users that may simultaneously
access the Switch. The default setting is 1.
Connection Timeout (120 - 600): Allows the user to set the connection timeout. The use may set a time
between 120 and 600 seconds. The default setting is 120 seconds.
Authfail Attempts (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.
Rekey Timeout: 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 60 min.
Click the Apply button to implement changes made.
Security > SSH > SSH Authmode and Algorithm Settings
The SSH Authentication and Algorithm Settings page allows user to configure the desired types of SSH
algorithms used for authentication encryption.