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The system must not forward IPv4 source-routed packets.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-12002 | GEN003600 | SV-27420r1_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. This requirement applies only to the forwarding of source-routed traffic, such as when IPv4 forwarding is enabled and the system is functioning as a router. |
| STIG | Date |
|---|---|
| Solaris 9 X86 Security Technical Implementation Guide | 2013-07-02 |
Details
| Check Text ( C-28606r1_chk ) |
|---|
| # ndd /dev/ip ip_forward_src_routed If the returned value is not 0, this is a finding. |
| Fix Text (F-24692r1_fix) |
|---|
| Configure the system to not forward IPv4 source-routed packets. Procedure: # ndd /dev/ip ip_forward_src_routed 0 This command must also be added to a system startup script. |