The system must not send IPv6 ICMP redirects.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22551 | GEN007880 | SV-38826r1_rule | ECSC-1 | Medium |
| Description |
|---|
| ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. These messages contain information from the system's route table that could reveal portions of the network topology. |
| STIG | Date |
|---|---|
| AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2018-09-18 |
Details
| Check Text ( C-37077r1_chk ) |
|---|
| # /usr/sbin/no -o ipsendredirects If the value returned is not 0, this is a finding. |
| Fix Text (F-32349r1_fix) |
|---|
| Configure the system to not send IPv6 ICMP redirects. # /usr/sbin/no -p -o ipsendredirects=0 |