If you are running Linux then iptables (netfilter) can be your friend. Look into the --limit option. The banning can be made automatically with a script like h

If you are running Linux then iptables (netfilter) can be your friend. Look into the --limit option. The banning can be made automatically with a script like http://deflate.medialayer.com/ http://deflate.medialayer.com/ Also they should be able to talk to the hosting company / data center; they may be able to provide the service filtering the DoD traffic right there.