How to disable root log in via ssh in RHEL 9/10

Solution Verified - Updated -

Issue

  • We can not disable ssh for root even with PermitRootLogin no in /etc/ssh/sshd_config file.
  • We can not allow ssh root log in for security reason.

Environment

  • Red Hat Enterprise Linux 9
  • Red Hat Enterprise Linux 10
  • openssh-server

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