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IPv6 protection for Netfilter<br />
Since 3.3<br />
Can use Netfilter rpfilter module by Florian Westphal<br />
i p t a b l e s −A PREROUTING −t raw \<br />
−m r p f i l t e r −−i n v e r t − j DROP<br />
PREROUTING raw is before all Netfilter treatment<br />
Éric Leblond, Victor Julien (OISF) <strong>The</strong> <strong>menace</strong> <strong>came</strong> <strong>from</strong> <strong>below</strong> <strong>Hack</strong>.<strong>lu</strong> 2012 34 / 66