6-to-4 router not filtering invalid source address

From Perimeter Router Security Technical Implementation Guide Cisco


SV-40539r1_ruleThe administrator must ensure the 6-to-4 router is configured to drop any outbound IPv6 packets from the internal network with a source address that is not within the 6to4 prefix 2002:V4ADDR::/48 where V4ADDR is the designated IPv4 6to4 address for the enclave.

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