This is true. I did not intend to suggest that this (and this alone) was a solution to the problem, but it makes it that much more difficult to accomplish (weeding out the "casual" spoofers, as it were). I agree that other security measures are also necessary; for instance, also incorporating HTTP_REFERRER checks and using session cookies, etc.

In reply to Re(3): Preventing changes on the by dmmiller2k
in thread Preventing changes on the by DaWolf

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