The IBM z/OS UNIX Telnet server warning banner must be properly specified.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-224103TSS0-UT-000050SV-224103r958586_ruleCCI-001384medium
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. System use notifications are required only for access via logon interfaces with human users and are not required when such human interfaces do not exist.
STIGDate
IBM z/OS TSS Security Technical Implementation Guide2025-06-24

Related Frameworks

3 paths across 3 frameworks
NIST 800-531 mapping
AC-8
1.00
  • DISA · 9 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1711 mapping
3.1.9
1.00
  • DISA · 9 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
  • NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-001384
1.00
  • DISA · 9 · disa_xccdf · related

Details

Check Text (C-224103r958586_chk)

From the ISPF Command Shell enter: OMVS cat inetd.conf If the otelnet startup command includes option "-h" this is a finding.

Fix Text (F-25764r516709_fix)

The otelnetd startup command should not include the option "-h", where: -h indicates that the logon banner should not be displayed.