-## Certainly don't allow ping to broadcast or multicast addresses.
-case $forward in
- 1)
- run iptables -A FORWARD -g forbidden \
- -p icmp --icmp-type echo-request \
- -m addrtype --dst-type BROADCAST
- run iptables -A FORWARD -g forbidden \
- -p icmp --icmp-type echo-request \
- -d 224.0.0.0/8
- run ip6tables -A FORWARD -g forbidden \
- -p icmpv6 --icmpv6-type echo-request \
- -d ff00::/16
- ;;
-esac
-