IBM z/OS RACF STIG

IBM z/OS RACF Security Technical Implementation Guide

The IBM z/OS RACF Security Technical Implementation Guide (V9 R10) has 224 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

V9 · R10

CurrentPublished Wed Sep 30 2026

IBM z/OS JESTRACE and/or SYSLOG resources must be protected in accordance with security requirements.

IBM z/OS RACF Security Technical Implementation Guide

Assessment Title

Rule Text

IBM z/OS JESTRACE and/or SYSLOG resources must be protected in accordance with security requirements.

Description

Discussion Text

To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoW-approved PKIs, all DoW systems (e.g., web servers and web portals) must be properly configured to incorporate access control methods that do not rely solely on the possession of a certificate for access. Successful authentication must not automatically give an entity access to an asset or security boundary. Authorization procedures and controls must be implemented to ensure each authenticated entity also has a validated and current authorization. Authorization is the process of determining whether an entity, once authenticated, is permitted to access a specific asset. Information systems use access control policies and enforcement mechanisms to implement this requirement.

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

Objective

V-223752

Rule

SV-223752r1269201_rule

Severity

medium

Rule Version

RACF-JS-000080

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Refer to the JESPARM member of SYS1.PARMLIB.

Review the JES2 parameters to determine the localnodeid by searching for OWNNODE in the NJEDEF statement, and then searching for NODE(nnnn) (where nnnn is the value specified by OWNNODE). The NAME parameter value specified on this NODE statement is the localnodeid. Another method is to issue the JES2 command $D NODE,NAME,OWNNODE=YES to obtain the NAME of the OWNNODE.

From the ISPF Command Shell enter:
RL JESSPOOL *
Review the following resources defined to the JESSPOOL resource class:

localnodeid.JES2.$TRCLOG.taskid.*.JESTRACE
localnodeid.+MASTER+.SYSLOG.jobid.*.SYSLOG or
localnodeid.+BYPASS+.SYSLOG.jobid.-.SYSLOG

NOTE: These resource profiles may be more generic as long as they pertain directly to the JESTRACE and SYSLOG data sets. For example:

localnodeid.JES2.*.*.*.JESTRACE
localnodeid.+MASTER+.*.*.*.SYSLOG or
localnodeid.+BYPASS+.*.*.*.SYSLOG

If Userid(s) associated with external writer(s) have complete access, this is not a finding.

Note: An external writer is an STC that removes data sets from the JES spool. In this case, it is responsible for archiving the JESTRACE and SYSLOG data sets. The STC default name is XWTR and the external writer program is called IASXWR00.

If Systems personnel and security administrators responsible for diagnosing JES2 and z/OS problems have complete access, this is not a finding.

If Application Development and Application Support personnel responsible for diagnosing application problems have READ access to the SYSLOG resource, this is not a finding.

Implementation Procedure

Fix Text

 Configure RACF access authorization for resources defined to the JESTRACE and SYSLOG resources in the JESSPOOL resource class to be restricted to the appropriate personnel a detailed below.

Review the following resources defined to the JESSPOOL resource class:

localnodeid.JES2.$TRCLOG.taskid.*.JESTRACE
localnodeid.+MASTER+.SYSLOG.jobid.*.SYSLOG or
localnodeid.+BYPASS+.SYSLOG.jobid.*.SYSLOG

Note: These resource profiles may be more generic as long as they pertain directly to the JESTRACE and SYSLOG data sets. For example:

localnodeid.JES2.$TRCLOG.*.**
localnodeid.+MASTER+.SYSLOG.*.** or
localnodeid.+BYPASS+.SYSLOG.*.**

Note: Review the JES2 parameters to determine the localnodeid by searching for OWNNODE in the NJEDEF statement, and then searching for NODE(nnnn) (where nnnn is the value specified by OWNNODE). The NAME parameter value specified on this NODE statement is the localnodeid. Another method is to issue the JES2 command $D NODE,NAME,OWNNODE=YES to obtain the NAME of the OWNNODE.

Ensure that access authorization for the resources mentioned above is restricted to the following:

Userid(s) associated with external writer(s) can have complete access.

Note: An external writer is a STC that removes data sets from the JES spool. In this case, it is responsible for archiving the JESTRACE and SYSLOG data sets. The STC default name is XWTR and the external writer program is called IASXWR00. 

Systems personnel and security administrators responsible for diagnosing JES2 and z/OS problems can have complete access.

Application Development and Application Support personnel responsible for diagnosing application problems can have READ access to the SYSLOG resource.

Examples:
RDEFINE JESSPOOL localnodeid.JES2.$TRCLOG.*.** audit(failures(read)) UACC(none) -
data('Reference srr finding ZJES0044 ') owner(admin)

RDEFINE JESSPOOL localnodeid.+MASTER+.SYSLOG.*.** audit(failures(read)) UACC(none) -
data('Reference srr finding ZJES0044') owner(admin)
or
RDEFINE JESSPOOL localnodeid.+BYPASS+.SYSLOG.*.** audit(failures(read)) UACC(none) -
data('Reference srr finding ZJES0044') owner(admin)

PE localnodeid.JES2.$TRCLOG.** cl(jesspool) id(<syspsmpl> <secasmpl>) acc(a)
PE localnodeid.+MASTER+.SYSLOG.*.** cl(jesspool) id(<syspsmpl> <secasmpl>) acc(a)
PE localnodeid.+MASTER+.SYSLOG.*.** cl(jesspool) id(<appdpsmpl> <appssmpl>) acc(r)
or
PE localnodeid.+BYPASS+.SYSLOG.*.** cl(jesspool) id(<syspsmpl> <secasmpl>) acc(a)
PE localnodeid.+BYPASS+.SYSLOG.*.** cl(jesspool) id(<appdpsmpl> <appssmpl>) acc(r)

STIG check 99 of 224 in the IBM z/OS RACF STIG checklist

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