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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-97825 | ACF2-OS-000240 | SV-106929r1_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 ACF2 Security Technical Implementation Guide | 2020-06-29 |
Details
| Check Text ( C-96661r1_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-103501r1_fix) |
|---|
| Develop a policy application and policy agent to employ a deny-all, allow-by-exception firewall policy for allowing connections to other systems. |