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The IBM z/OS UNIX Telnet server warning banner must be properly specified.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-223868 | RACF-UT-000050 | SV-223868r604139_rule | Medium |
| 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. |
| STIG | Date |
|---|---|
| IBM z/OS RACF Security Technical Implementation Guide | 2023-06-13 |
Details
| Check Text ( C-25541r515292_chk ) |
|---|
| 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 Text (F-25529r515293_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. |