IBM zVM Using CA VM:Secure STIG

IBM zVM Using CA VM:Secure Security Technical Implementation Guide

The IBM zVM Using CA VM:Secure Security Technical Implementation Guide (V2 R1) has 77 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

V2 · R1

ArchivedPublished Fri Jul 23 2021

The IBM z/VM TCP/IP FTP Server must be configured to display the Standard Mandatory DoD Notice and Consent Banner before granting local or remote access to the system and until users acknowledge the usage conditions and take explicit actions to log on for further access.

IBM zVM Using CA VM:Secure Security Technical Implementation Guide

Assessment Title

Rule Text

The IBM z/VM TCP/IP FTP Server must be configured to display the Standard Mandatory DoD Notice and Consent Banner before granting local or remote access to the system and until users acknowledge the usage conditions and take explicit actions to log on for further access.

Description

Discussion Text

The banner must be acknowledged by the user prior to allowing the user access to the operating system. This provides assurance that the user has seen the message and accepted the conditions for access. If the consent banner is not acknowledged by the user, DoD will not be in compliance with system use notifications required by law.

To establish acceptance of the application usage policy, a click-through banner at system logon is required. The system must prevent further activity until the user executes a positive action to manifest agreement by clicking on a box indicating "OK".

Satisfies: SRG-OS-000023-GPOS-00006, SRG-OS-000024-GPOS-00007

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

Objective

V-237903

Rule

SV-237903r649549_rule

Severity

medium

Rule Version

IBMZ-VM-000060

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Examine the CMS search order.

Verify the FTP Server access to a FTP BANNER file.

If there is no accessible FTP BANNER file, this is a finding.

Ensure that the "FTP Banner" file contains the following:

The banner must be formatted in accordance with applicable DoD policy. Use the following verbiage for operating systems that can accommodate banners of 1300 characters:

"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."

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."

If it does not, this is a finding.

Implementation Procedure

Fix Text

Configure the "FTP Banner" file to contain the following: