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The system must not apply reversed source routing to TCP responses.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22412 | GEN003605 | SV-38799r1_rule | ECSC-1 | Medium |
| Description |
|---|
| Source-routed packets allow the source of the packet to suggest routers forward the packet along a different path than configured on the router, which can be used to bypass network security measures. |
| STIG | Date |
|---|---|
| AIX 5.3 Security Technical Implementation Guide | 2012-05-25 |
Details
| Check Text ( C-37255r2_chk ) |
|---|
| Determine if the system is configured to apply reverse source routing to TCP responses to source-routed packets. # /usr/sbin/no -p nonlocsrcroute If the value is not 0, this is a finding. |
| Fix Text (F-32495r2_fix) |
|---|
| Configure the system to not apply reverse source routing to TCP responses to source-routed packets. # /usr/sbin/no -po nonlocsrcroute=0 |