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The system must not have IP forwarding for IPv6 enabled, unless the system is an IPv6 router.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22491 | GEN005610 | SV-26810r1_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 | 2018-04-10 |
Details
| Check Text ( C-27798r1_chk ) |
|---|
| Check if the system is configured for IPv6 forwarding. # ndd /dev/ip6 ip6_forwarding If the value is not 0, this is a finding. |
| Fix Text (F-24053r1_fix) |
|---|
| Disable IPv6 forwarding. # ndd -set /dev/ip6 ip6_forwarding 0 Edit startup scripts as necessary; add this command or remove commands setting the value to 1. |