Details
Permitting direct root login reduces auditable information about who ran privileged commands on the system and also allows direct attack attempts on root's password.
Solution
The root user should never be allowed to log in to a system directly over a network.
Add or correct the following line in '/etc/ssh/sshd_config':
PermitRootLogin no
Supportive Information
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Unix.
References
- 800-53|CM-6b.
- CAT|III
- CCI|CCI-000366
- Group-ID|V-63197
- Rule-ID|SV-77687r1_rule
- STIG-ID|ESXI-06-000014
- Vuln-ID|V-63197
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