The IBM z/OS Policy Agent must be configured to deny-all, allow-by-exception firewall policy for allowing connections to other systems.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-224006 | TSS0-OS-000100 | SV-224006r991593_rule | CCI-000366 | medium |
| Description | ||||
| 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. | ||||
| STIG | Date | |||
| IBM z/OS TSS Security Technical Implementation Guide | 2025-06-24 | |||
Details
Check Text (C-224006r991593_chk)
Examine the policy agent policy statements. If it can be determined that the policy agent employs a deny-all, allow-by exception firewall policy for allowing connections to other systems this is not a finding.
Fix Text (F-25667r516418_fix)
Develop a policy application and policy agent to employ a deny-all, allow-by-exception firewall policy for allowing connections to other systems.