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IP forwarding for IPv4 must not be enabled, unless the system is a router.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-12023 | GEN005600 | SV-28581r1_rule | ECSC-1 | Medium |
| Description |
|---|
| If the system is configured for IP forwarding and is not a designated router, it could be used to bypass network security by providing a path for communication not filtered by network devices. |
| STIG | Date |
|---|---|
| SOLARIS 10 X86 SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2017-12-18 |
Details
| Check Text ( C-28844r1_chk ) |
|---|
| Determine if the system is configured for IPv4 forwarding. # svcs | grep svc:/network/ipv4-forwarding If the service is enabled, this is a finding. |
| Fix Text (F-25853r1_fix) |
|---|
| Disable IPv4 forwarding on the system. # svcadm disable svc:/network/ipv4-forwarding |