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Dell Configuration Guide for the S4048–ON System 9.14.2.6

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Configuring DNS in the SSH Server

Dell EMC Networking provides support to enable the DNS in SSH server configuration for host-based authentication. You can specify whether the SSH Server should look up the remote host name and check whether the resolved host name for the remote IP address maps to the same IP address. By default, the DNS in the SSH server configuration is disabled.

To enable the DNS in the SSH server configuration, use the following command.
Enable the DNS in the SSH server configuration.
CONFIGURATION mode
[no] ip ssh server dns enable
To disable the DNS in the SSH server configuration, use the no version of this command.

Example of DNS Configuration in SSH Server Connections

To view the status of DNS in the SSH server configuration, use the show running-config ip ssh command from EXEC mode.

DellEMC#show running-config ip ssh
!
ip ssh server dns enable
ip ssh hostbased-authentication enable
no ip ssh password-authentication enable
ip ssh server enable

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