Author: Andras Kis-Szabo <kisza@sch.bme.hu>
Status: In Development (testing)

  This module is perform checking on the IPv6 IP address
  Compares the last 64 bits with the aggregated (delivered
  from the MAC address)

 Example:
  ip6tables -N ipv6ok
  ip6tables -A INPUT -m agr -j ipv6ok
  ip6tables -A INPUT -s ! 3FFE:2F00:A0::/64 -j ipv6ok
  ip6tables -A INPUT -j LOG
  ip6tables -A ipv6ok -j ACCEPT

