STIGQter: STIG Summary: IBM z/OS TSS Security Technical Implementation Guide Version: 8 Release: 2 Benchmark Date: 23 Apr 2021:

IBM z/OS SMF recording options for the TN3270 Telnet server must be properly specified.

DISA Rule

SV-224066r561402_rule

Vulnerability Number

V-224066

Group Title

SRG-OS-000392-GPOS-00172

Rule Version

TSS0-TN-000020

Severity

CAT II

CCI(s)

• CCI-000067 - The information system monitors remote access methods.
• CCI-002884 - The organization audits nonlocal maintenance and diagnostic sessions^ organization-defined audit events.

Weight

10

Fix Recommendation

Code TN3270 configuration file to the requirements specified below.

NOTE: If the INCLUDE statement is coded in the TCP/IP Profile configuration file, the data set specified on this statement must be checked for the following items as well.

-The TELNETPARMS SMFINIT statement is coded with the TYPE119 operand within each TELNETPARMS statement block.
-The TELNETPARMS SMFTERM statement is coded with the TYPE119 operand within each TELNETPARMS statement block.

NOTE: Effective in z/OS release 1.2, the SMFINIT and SMFTERM statement can appear in both TELNETGLOBAL and TELNETPARM statement blocks.

Check Contents

Refer to the Profile configuration file specified on the PROFILE DD statement in the TCPIP started task JCL.

If the following configuration statement settings are in effect in the TCP/IP Profile configuration data set, this is not a finding.

NOTE: If the INCLUDE statement is coded in the TCP/IP Profile configuration data set, the data set specified on this statement must be checked for the following items as well.

-The TELNETPARMS SMFINIT statement is coded with the TYPE119 operand within each TELNETPARMS statement block.
-The TELNETPARMS SMFTERM statement is coded with the TYPE119 operand within each TELNETPARMS statement block.

Note: The SMFINIT and SMFTERM statement can appear in both TELNETGLOBAL and TELNETPARM statement blocks. If duplicate statements appear in the TELNETGLOBALS, TELNETPARMS, Telnet uses the last valid statement that was specified.

Vulnerability Number

V-224066

Documentable

False

Rule Version

TSS0-TN-000020

Severity Override Guidance

Refer to the Profile configuration file specified on the PROFILE DD statement in the TCPIP started task JCL.

If the following configuration statement settings are in effect in the TCP/IP Profile configuration data set, this is not a finding.

NOTE: If the INCLUDE statement is coded in the TCP/IP Profile configuration data set, the data set specified on this statement must be checked for the following items as well.

-The TELNETPARMS SMFINIT statement is coded with the TYPE119 operand within each TELNETPARMS statement block.
-The TELNETPARMS SMFTERM statement is coded with the TYPE119 operand within each TELNETPARMS statement block.

Note: The SMFINIT and SMFTERM statement can appear in both TELNETGLOBAL and TELNETPARM statement blocks. If duplicate statements appear in the TELNETGLOBALS, TELNETPARMS, Telnet uses the last valid statement that was specified.

Check Content Reference

M

Target Key

4102

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