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Management network traffic is leaking into the managed network.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-17819 | NET0989 | SV-19073r1_rule | ECSC-1 | Medium |
| Description |
|---|
| If the gateway router is not a dedicated device for the OOBM network, several safeguards must be implemented for containment of management and production traffic boundaries. To provide seperation, access control lists or filters must be configured to block any traffic from the management network destined for the managed network’s production address spaces. |
| STIG | Date |
|---|---|
| Infrastructure Router Security Technical Implementation Guide | 2013-10-08 |
Details
| Check Text ( C-19236r1_chk ) |
|---|
| Examine the ingress filter on the OOBM interface of the gateway router to verify that traffic is only destined to the local management address space. In the example configurations below, the 10.1.1.0/24 is the local management network address space at the enclave or managed network and 10.2.2.0/24 is the management network address space at the NOC. |
| Fix Text (F-17734r1_fix) |
|---|
| Configure access control lists or filters to block any traffic from the management network destined for the managed network’s production address spaces. |