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    I wasn’t afraid to ask. I asked several times. I just never got an answer.

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      Nice trolling with the UDP joke :)

      In writing this blog post I’ve spent like three days trying to understand what IP_RECVERR does. It’s amazing how little docs there are.

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        Odd, I never asked by was told repeatedly anyway just because I happened to be listening.

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        The best thing one can do to learn this build a simple P2P file transfer system. That us how I learned all of this, a lot of time you take things for granted and don’t pay attention to details despite being told to you. Implementing P2P really helps asking these questions.

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          Thanks for posting this!
          The wildcard issue was new to me and I have a number of server apps affected by it.