The system must be configured with a default gateway for IPv6 if the system uses IPv6, unless the system is a router.

From AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE

Associated with IA controls: ECSC-1

Associated with: CCI-000366

SV-39215r1_rule The system must be configured with a default gateway for IPv6 if the system uses IPv6, unless the system is a router.

Vulnerability discussion

If a system has no default gateway defined, the system is at increased risk of man-in-the-middle, monitoring, and Denial of Service attacks.

Check content

If the system is a router, this is not applicable. If the system does not use IPv6, this is not applicable. Determine if the system has a default route configured for IPv6. # netstat -r | grep default If a default route is not defined, this is a finding.

Fix text

Configure an IPv6 default route on the system. # smitty route

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