The system must not have IP forwarding for IPv6 enabled, unless the system is an IPv6 router.

From AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE

Associated with IA controls: ECSC-1

Associated with: CCI-000366

SV-38822r1_rule The system must not have IP forwarding for IPv6 enabled, unless the system is an IPv6 router.

Vulnerability 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

# /usr/sbin/no -o ip6forwarding If the value returned is 1, this is a finding.

Fix text

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

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