From z/OS ACF2 STIG
Part of ZJES0044
Associated with IA controls: DCCS-1, ECCD-2, DCCS-2, ECCD-1
Associated with: CCI-000213 CCI-001762
JES2 spool resources include all SYSOUT, SYSLOG, JESTRACE, and JESNEWS data sets. Failure to properly control JES2 spool resources could result in unauthorized personnel accessing job output, system activity logs, and trace data containing userid and password information. This exposure may threaten the integrity and availability of the operating system environment, and compromise the confidentiality of customer data.
Refer to the following report produced by the ACF2 Data Collection and Data Set and Resource Data Collection: - SENSITVE.RPT(JESSPOOL) - ACF2CMDS.RPT(RESOURCE) – Alternate report - ACF2CMDS.RPT(ACFGSO) - ACF2CMDS.RPT(LOGONIDS) NOTE: Review the ACFGSO report. If CLASMAP defines JESSPOOL as anything other than TYPE(SPL), replace SPL below with the appropriate three letters. Refer to the following report produced by the z/OS Data Collection: - PARMLIB(JES2 parameters) Review the following resources in the JESSPOOL resource class (i.e., TYPE(SPL)): localnodeid.JES2.$TRCLOG.taskid.-.JESTRACE localnodeid.+MASTER+.SYSLOG.jobid.-.SYSLOG or localnodeid.+BYPASS+.SYSLOG.jobid.-.SYSLOG NOTE: These resource rules 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 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 $D NODE,NAME,OWNNODE=YES to obtain the NAME of the OWNNODE. Ensure that access authorization for the resources mentioned above is restricted to the following: 1) Logonid(s) associated with external writer(s) can have complete access. NOTE: An external writer is an STC that removes data sets from the JES spool. In this case, it is responsible for archiving the JESTRACE and SYSLOG data sets. The STC default name is XWTR and the external writer program is called IASXWR00. 2) Systems personnel and security administrators responsible for diagnosing JES2 and z/OS problems can have complete access. 3) Application Development and Application Support personnel responsible for diagnosing application problems can have READ access to the SYSLOG resource.
The IAO will ensure that access authorization for resources defined to the JESTRACE and SYSLOG resources in the JESSPOOL resource class is restricted to the appropriate personnel. NOTE: If CLASMAP defines JESSPOOL as anything other than TYPE(SPL), replace SPL below with the appropriate three letters. Review the following resources in the JESSPOOL resource class (i.e., TYPE(SPL)): localnodeid.JES2.$TRCLOG.taskid.-.JESTRACE localnodeid.+MASTER+.SYSLOG.jobid.-.SYSLOG or localnodeid.+BYPASS+.SYSLOG.jobid.-.SYSLOG NOTE: These resource rules may be more generic as long as they pertain directly to the JESTRACE and SYSLOG data sets. For example: localnodeid.JES2.-.-.-.JESTRACE localnodeid.+MASTER+.-.-.-.- or localnodeid.+BYPASS+.-.-.-.- 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: Logonid(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. Example: SET R(SPL) $KEY(localnodeid) TYPE(SPL) -.SYSLOG.-.-.- UID(syspaudt) ALLOW -.SYSLOG.-.-.- UID(secaaudt) ALLOW -.SYSLOG.-.-.- UID(appdudt) SERVICE(READ) ALLOW -.SYSLOG.-.-.- UID(appsaudt) SERVICE(READ) ALLOW -.$TRCLOG.-.-.- UID(syspaudt) ALLOW -.$TRCLOG.-.-.- UID(secaaudt) ALLOW - UID(*) PREVENT
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