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If you want to give someone permission to login directly to the root login account via Secure Shell, you can define three methods of control with the PermitRootLogin
configuration parameter in the sshd2_config
file:
The default value yes
enables root logins with any authentication method:
PermitRootLogin yes
Use the value no
to disable all logins with root privileges:
PermitRootLogin no
With the value nopwd
root logins are allowed only when an authentication method other than password is used:
PermitRootLogin nopwd
It is also possible to create a separate subconfiguration file for root
. See Defining Subconfigurations for more information.