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Fighting the worms of mass destruction (Economist)Fighting the worms of mass destruction (Economist)Posted Dec 1, 2003 22:41 UTC (Mon) by JoeBuck (subscriber, #2330)In reply to: Fighting the worms of mass destruction (Economist) by proski Parent article: Fighting the worms of mass destruction (Economist)
IP address spoofing could be largely eliminated, if every router on the net were configured to perform a simple sanity check: don't let packets pass that have an "impossible" source address from the perspective of that router. That is, if an ISP has sold you a range of static IP addresses, its routers should drop any packets from you that claim a return address outside that range. If everyone did this, spoofing would be much more limited.
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