Investigating IP Packet Spoofing And Its Impact On Network Safety

Spoofed IP packets are still believed to be a significant problem for the Internet. But are they? The Spoofer Project is attempting to measure the problem. Apparently, 80% of the IP addresses measured no longer support spoofing! Their methodology is simple: have users download a client which attempts to spoof packets to the monitor. Using these packets, they can determine the filter rules.

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