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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-38948r1_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. 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 |
|---|---|
| AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2017-12-08 |
Details
| Check Text ( C-28608r1_chk ) |
|---|
| # /usr/sbin/no -o ipsrcrouteforward If the returned value is not 0, this is a finding. |
| Fix Text (F-32490r1_fix) |
|---|
| # /usr/sbin/no -po "ipsrcrouteforward=0" |