The patent covers a system that changes the destination field the packet. What if your system doesn't do that. I use NoCat on FreeBSD and the rule the does the "redirection" does it with IPFW fwd, man ipfw(8), which does not modify the packet in any way, specifically modifying the destination field. It seems to me that such a system is not covered by the claims of this patent. By the way, I got one of this "Licensing Materials" packets today. So nice of them to provide such a nicely arranged extortion note.
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The patent covers a system that changes the destination field the packet. What if your system doesn't do that. I use NoCat on FreeBSD and the rule the does the "redirection" does it with IPFW fwd, man ipfw(8), which does not modify the packet in any way, specifically modifying the destination field. It seems to me that such a system is not covered by the claims of this patent. By the way, I got one of this "Licensing Materials" packets today. So nice of them to provide such a nicely arranged extortion note.
If they aren't in the works, it sounds like about time to do it.