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The Photon operating system must display the Standard Mandatory DoD Notice and Consent Banner before granting SSH access.


Overview

Finding ID Version Rule ID IA Controls Severity
V-239075 PHTN-67-000003 SV-239075r675033_rule Medium
Description
Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance. Satisfies: SRG-OS-000023-GPOS-00006, SRG-OS-000228-GPOS-00088
STIG Date
VMware vSphere 6.7 Photon OS Security Technical Implementation Guide 2022-06-17

Details

Check Text ( C-42286r675031_chk )
At the command line, execute the following command:

# sshd -T|&grep -i Banner

Expected result:

banner /etc/issue

If the output does not match the expected result, this is a finding.

Open /etc/issue with a text editor.

If the file does not contain the Standard Mandatory DoD Notice and Consent Banner, this is a finding.
Fix Text (F-42245r675032_fix)
At the command line, execute the following commands:

# cp /etc/issue.DoD /etc/issue

Open /etc/ssh/sshd_config with a text editor and ensure that the "Banner" line is uncommented and set to the following:

Banner /etc/issue

Open /etc/issue with a text editor.

Ensure that the file contains the Standard Mandatory DoD Notice and Consent Banner:

You are accessing a U.S. Government (USG) Information System (IS) that is provided for USG-authorized use only. By using this IS (which includes any device attached to this IS), you consent to the following conditions:
-The USG routinely intercepts and monitors communications on this IS for purposes including, but not limited to, penetration testing, COMSEC monitoring, network operations and defense, personnel misconduct (PM), law enforcement (LE), and counterintelligence (CI) investigations.
-At any time, the USG may inspect and seize data stored on this IS.
-Communications using, or data stored on, this IS are not private, are subject to routine monitoring, interception, and search, and may be disclosed or used for any USG authorized purpose.
-This IS includes security measures (e.g., authentication and access controls) to protect USG interests--not for your personal benefit or privacy.
-Notwithstanding the above, using this IS does not constitute consent to PM, LE or CI investigative searching or monitoring of the content of privileged communications, or work product, related to personal representation or services by attorneys, psychotherapists, or clergy, and their assistants. Such communications and work product are private and confidential. See User Agreement for details.

At the command line, execute the following command:

# service sshd reload