F5 BIG-IP TMOS NDM STIG

F5 BIG-IP TMOS NDM Security Technical Implementation Guide

The F5 BIG-IP TMOS NDM Security Technical Implementation Guide (V1 R3) has 29 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R3

CurrentPublished Wed Sep 30 2026

The F5 BIG-IP appliance must be configured to display the Standard Mandatory DoW Notice and Consent Banner when accessing via SSH.

F5 BIG-IP TMOS NDM Security Technical Implementation Guide

Assessment Title

Rule Text

The F5 BIG-IP appliance must be configured to display the Standard Mandatory DoW Notice and Consent Banner when accessing via SSH.

Description

Discussion Text

Display of the DoW-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.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-266134

Rule

SV-266134r1271704_rule

Severity

medium

Rule Version

F5BI-DM-300098

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

From the BIG-IP GUI:
1. System.
2. Configuration.
3. Device.
4. SSHD.
5. Verify the box for "Show The Security Banner On The Login Screen" is checked.
6. Review the "Security Banner Text To Show On The Login Screen" under the "Security Settings" section for the following verbiage:

"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."

If such a banner is not presented, this is a finding.

Implementation Procedure

Fix Text

From the BIG-IP GUI:
1. System.
2. Configuration.
3. Device.
4. SSHD.
5. Check the box for "Show The Security Banner On The Login Screen".
6. Enter the following in the "Security Banner Text To Show On The Login Screen" under the "Security Settings" section and then select "Update" to save.

"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:

-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.

Use the following verbiage for operating systems that have severe limitations on the number of characters that can be displayed in the banner:

"I've read & consent to terms in IS user agreem't."

STIG check 28 of 29 in the F5 BIG-IP TMOS NDM STIG checklist

← Previous · V-266096The F5 BIG-IP appliance must conduct backups of the configuration at a weekly or organization-defined frequency and store on a separate device.Next · V-266135 →The F5 BIG-IP appliance must be configured to restrict a consistent inbound IP for the entire management session.