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The IAO/NSO will ensure IPv6 6bone address space is blocked on the ingress and egress filter, (3FFE::/16).


Overview

Finding ID Version Rule ID IA Controls Severity
V-18610 NET-IPV6-008 SV-20166r1_rule ECSC-1 Medium
Description
The decommissioned 6bone allocation (3FFE::/16), RFC 3701 must be blocked. It is no longer a trusted source.
STIG Date
Perimeter L3 Switch Security Technical Implementation Guide - Cisco 2015-06-30

Details

Check Text ( C-22293r1_chk )
Base Procedure: Review the premise router configuration to ensure filters are in place to restrict the IP addresses explicitly, or inexplicitly. Verify that ingress and egress ACLs for IPv6 have been defined to deny the 6bone address space and log all violations.
Fix Text (F-19241r1_fix)
The administrator will configure the router ACLs to restrict IP addresses that contain any 6bone addresses.