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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-26626r1_rule | ECSC-1 | Medium |
| Description |
|---|
| Source-routed packets allow the source of the packet to suggest that routers forward the packet along a different path than configured on the router, which can be used to bypass network security measures. |
| STIG | Date |
|---|---|
| Solaris 9 SPARC Security Technical Implementation Guide | 2012-05-25 |
Details
| Check Text ( C-27663r1_chk ) |
|---|
| Verify the system does not apply reversed source routing to TCP responses. # ndd /dev/tcp tcp_rev_src_routes If the result is not 0, this is a finding. |
| Fix Text (F-23868r1_fix) |
|---|
| Configure the system to not apply reversed source routing to TCP responses. # ndd -set /dev/tcp tcp_rev_src_routes 0 Also add this command to a system startup script. |