Disable access to root from Plesk users

Hello, I have a droplet with CentOS 7 and Plesk installed from marketplace. I have also followed the initial CentOS 7 server setup and disabled root access from ssh. But for users that have access to their Plesk accounts, they can su root and that will prompt a password.

Is there a way to block this su command for only a specific high privilege user as the one created on the initial server setup?

Is there something else to add security to the server?

Thank you.

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Hi @danielpcharrua,

This is something that can’t be avoided. What I can think of is the sudoers file - /etc/sudoders which grants/takes away privileges for commands however executing ‘su root’ isn’t one of them I think/

In such a case, what I’ll recommend for security would be to jailshell the user’s SSH sessions, that should be enough.

Regards, KDSys