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← Back to IBM z/OS RACF Security Technical Implementation Guide

V-285329

CAT I (High)

IBM z/OS SSL options for the TN3270 Telnet Server must specify a secure port.

Rule ID

SV-285329r1212311_rule

STIG

IBM z/OS RACF Security Technical Implementation Guide

Version

V9R9

CCIs

CCI-000366

Discussion

Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security baseline across DoD that reflects the most restrictive security posture consistent with operational requirements. Configuration settings are the set of parameters that can be changed in hardware, software, or firmware components of the system that affect the security posture and/or functionality of the system. Security-related parameters are those parameters impacting the security state of the system, including the parameters required to satisfy other security control requirements. Security-related parameters include, for example: registry settings; account, file, directory permission settings; and settings for functions, ports, protocols, services, and remote connections.

Check Content

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

If the following items are in effect for the configuration specified in the TCP/IP Profile configuration file, this is not a finding.

Note: If an 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.

Each TELNETPARMS block specifies TTLSPORT statement. 

If the CONNTYPE statement is present, it specifies SECURE.

Fix Text

Configure the TELNETPARMS block to specify TTLSPORT.

If CONNTYPE is included in the TELNETPARMS block, it specifies SECURE.