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

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-223868SRG-OS-000228-GPOS-00088RACF-UT-000050SV-223868r958586_rule2025-03-119
Description
Display of a standardized and approved use notification before granting access to the publicly accessible operating system ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance.
ℹ️ Check
From the ISPF Command Shell enter: ISHELL Enter /etc/ for a pathname - you may need to issue a CD /etc/ select FILE NAME inetd.conf If Option -h is included on the otelnetd command, this is a finding.
✔️ Fix
Configure the startup parameters in the inetd.conf file for otelnetd to exclude option -h. Note: -h indicates that the logon banner should not be displayed.