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The SSH daemon must not permit root logins.


Overview

Finding ID Version Rule ID IA Controls Severity
V-63197 ESXI-06-000014 SV-77687r1_rule Low
Description
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.
STIG Date
VMware vSphere ESXi 6.0 Security Technical Implementation Guide 2017-07-11

Details

Check Text ( C-63931r1_chk )
To verify how the SSH daemon's "PermitRootLogin" option is set, run the following command:

# grep -i "^PermitRootLogin" /etc/ssh/sshd_config

If there is no output or the output is not exactly "PermitRootLogin no", this is a finding.
Fix Text (F-69115r1_fix)
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