Nope, it's not IP spoofing. IP spoofing is just one part of your imagined scenario. And it isn't blind session hijacking either, since your scenario is not a man-in-the-middle. If you were in the middle, the scenario would be very different. You are asking about pure TCP/IP concepts. There isn't a "feature on the firewall" to protect. This is just ...


The short answer is that it has been so long that migration is not possible. It was not closed for being off-topic but because it was lacking details and the OP never responded.

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