-run ebtables -N bad-source-addr
-run ebtables -A bad-source-addr \
- --limit 20/second --limit-burst 100 \
- --log-prefix "fw: bad-source-addr(br) " --log-ip --log-ip6
-run ebtables -A bad-source-addr -j DROP
-
-run ebtables -N check-eth0
-run ebtables -A check-eth0 -j RETURN -p ip --ip-source ! 212.13.198.64/28
-run ebtables -A check-eth0 -j RETURN -p ip6 --ip6-source 2001:ba8:0:1d9::1
-run ebtables -A check-eth0 -j bad-source-addr \
- -p ip6 --ip6-source 2001:ba8:1d9::/48
-run ebtables -A check-eth0 -j bad-source-addr \
- -p ip6 --ip6-source 2001:ba8:0:1d9::/64
-run ebtables -A check-eth0 -j RETURN -p ip6
-run ebtables -A check-eth0 -j RETURN -p ip --ip-source 212.13.198.64/30
-run ebtables -A check-eth0 -j RETURN -p ip --ip-source 212.13.198.68
-run ebtables -A check-eth0 -j bad-source-addr -p ip
-run ebtables -A INPUT -j check-eth0 -i bond0
-run ebtables -A FORWARD -j check-eth0 -i bond0
+## Guaranteed black hole. Put this at the very front of the chain.
+run iptables -I INPUT -d 217.169.12.78 -j DROP
+run ip6tables -I INPUT -d 2001:8b0:c92:fff::ffff -j DROP