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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-38259r1_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 |
|---|---|
| HP-UX 11.31 Security Technical Implementation Guide | 2018-03-01 |
Details
| Check Text ( C-36500r1_chk ) |
|---|
| Determine if the system is configured to forward source-routed IP packets. # ndd -get /dev/ip ip_forward_src_routed If the returned value is not 0, then this feature is enabled, this is a finding. |
| Fix Text (F-31855r1_fix) |
|---|
| Disable the IP source-routed forwarding feature. # ndd -set /dev/ip ip_forward_src_routed 0 Edit /etc/rc.config.d/nddconf and add/set: TRANSPORT_NAME[x] = ip NDD_NAME[x] = ip_forward_src_routed NDD_VALUE[x] = 0 |