Title

AIX must not have IP forwarding for IPv6 enabled unless the system is an IPv6 router. (Cat II impact)

Discussion

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.

Check Content

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

Disable IPv6 forwarding on the system: # /usr/sbin/no -p -o ip6forwarding=0

Additional Identifiers

Rule ID: SV-215265r991589_rule

Vulnerability ID: V-215265

Group Title: SRG-OS-000480-GPOS-00227

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.