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lsc
on March 25, 2009
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Ask HN: How to deal with SYN FLOOD and extortion
this guy is suggesting that the mailman check the return address when he picks up the mail. It's actually a good idea (and fairly common amongst competent ISPs.)
the wikipedia explains it well, I think:
http://en.wikipedia.org/wiki/Ingress_filtering
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the wikipedia explains it well, I think:
http://en.wikipedia.org/wiki/Ingress_filtering