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The IBM z/OS Policy Agent must employ a deny-all, allow-by-exception firewall policy for allowing connections to other systems.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-98267 | RACF-OS-000240 | SV-107371r1_rule | Medium |
| Description |
|---|
| Failure to restrict network connectivity only to authorized systems permits inbound connections from malicious systems. It also permits outbound connections that may facilitate exfiltration of DoD data. |
| STIG | Date |
|---|---|
| IBM z/OS RACF Security Technical Implementation Guide | 2020-06-29 |
Details
| Check Text ( C-97103r1_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-103943r1_fix) |
|---|
| Develop a policy application and policy agent to employ a deny-all, allow-by-exception firewall policy for allowing connections to other systems. |