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The ESXi host SSH daemon must be configured with the DOD logon banner.


Finding ID Version Rule ID IA Controls Severity
V-256383 ESXI-70-000009 SV-256383r885930_rule Medium
The warning message reinforces policy awareness during the logon process and facilitates possible legal action against attackers. Alternatively, systems whose ownership should not be obvious should ensure use of a banner that does not provide easy attribution.
VMware vSphere 7.0 ESXi Security Technical Implementation Guide 2023-06-21


Check Text ( C-60058r885928_chk )
From an ESXi shell, run the following command:

# /usr/lib/vmware/openssh/bin/sshd -T|grep banner

Expected result:

banner /etc/issue

If the output does not match the expected result, this is a finding.
Fix Text (F-60001r885929_fix)
From an ESXi shell, add or correct the following line in "/etc/ssh/sshd_config":

Banner /etc/issue