run iptables -t mangle -A in-classify -g bad-source-address \
-m addrtype --src-type BROADCAST \
-## Special IPv6 addresses. Format multicast sources, and mark zero and
+## Special IPv6 addresses. Forbid multicast sources, and mark zero and
## link local addresses.
for i in :: fe80::/10; do
run ip6tables -t mangle -A in-classify -g mark-from-link -s $i