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

From HP-UX 11.31 Security Technical Implementation Guide

Associated with IA controls: ECSC-1

Associated with: CCI-000366

SV-26805r1_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

Check for a default route for IPv6: # netstat -f inet6 -r | grep default If the system uses IPv6 and no results are returned, this is a finding.

Fix text

Add a default route for IPv6. Edit /etc/rc.config.d/netconf-ipv6 Add an IPV6_GATEWAY[0]="" Restart the system to apply the new default gateway setting.

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