Allowing root login over SSH is commonly considered a poor security practice throughout the tech industry. Instead, you could perform sensitive administrative tasks by connecting with a user account and executing commands using
Disable root access
View the contents of the SSH configuration file using the following command.
In this file you will find the following line:
Un-comment the line using your desired editor. Then restart the SSH service for the changes to take effect.
Please note that login to the root account will still be possible via the Vultr console.
Restrict root access by IP address
As previously mentioned, a good security practice is to not allow root access via SSH at all. However if root access is absolutely necessary, you can restrict it by IP address.
To restrict root access to a specific IP address add the following line to the
sshd_config file (substitute xxx.xxx.xxx.xxx for the IP address).
AllowUsers [email protected]
Restart the SSH service for the changes to take effect.
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