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


Overview

Finding ID Version Rule ID IA Controls Severity
V-239266 ESXI-67-000009 SV-239266r674727_rule Medium
Description
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 usage of a banner that does not provide easy attribution.
STIG Date
VMware vSphere 6.7 ESXi Security Technical Implementation Guide 2022-01-05

Details

Check Text ( C-42499r674725_chk )
From an SSH session connected to the ESXi host, or from the ESXi shell, run the following command:

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

If there is no output or the output is not exactly "Banner /etc/issue", this is a finding.
Fix Text (F-42458r674726_fix)
From an SSH session connected to the ESXi host, or from the ESXi shell, add or correct the following line in "/etc/ssh/sshd_config":

Banner /etc/issue