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

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-224103	SRG-OS-000228-GPOS-00088	TSS0-UT-000050	SV-224103r958586_rule	2025-03-11	9

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.

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.

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

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