AIX 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-215265 | AIX7-00-002066 | SV-215265r991589_rule | CCI-000366 | 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 | |||
| IBM AIX 7.x Security Technical Implementation Guide | 2024-08-16 | |||
Details
Check Text (C-215265r991589_chk)
From the command prompt, run the following command:
# /usr/sbin/no -o ip6forwarding
ip6forwarding = 0
If the value returned is not "0", this is a finding.
Fix Text (F-16461r294247_fix)
Disable IPv6 forwarding on the system:
# /usr/sbin/no -p -o ip6forwarding=0