The Cisco ASA must be configured to display the Standard Mandatory DoD Notice and Consent Banner before granting access to the device.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-239902	CASA-ND-000160	SV-239902r666069_rule		Medium

Description
Display of the DoD-approved use notification before granting access to the network device ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance. System use notifications are required only for access via logon interfaces with human users.

STIG	Date
Cisco ASA NDM Security Technical Implementation Guide	2021-03-15

Details

Check Text ( C-43135r666067_chk )

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

Fix Text (F-43094r666068_fix)

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