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Sending arbitrary (raw) packets

I saw it elsewhere, but no one responds to my satisfaction: how can I receive and send raw packets?

By "raw packets" I mean where I have to generate all the headers and data so that the bytes are completely arbitrary, and I am in no way limited. This is why Microsoft RAW sockets will not work because you cannot send TCP or UDP packets with the wrong source addresses.

I know that you can send packets as I want using WinPCAP, but you cannot receive raw information with it, which I also need to do.

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