Packet Forensics LLC, Virginia Beach, Virginia, was awarded a $10,000,000 modification (P00004) to previously awarded HR0011-18-C-0056 for the Defense Advanced Research Projects Agency Harnessing ...
Basically you tell it what packets to drop. In your rules you says something like "all packets from network 172.30.0.0 get dropped" and every time a packet comes in the kernel compares it to all the ...