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Thread: Software to monitor / spy on serial COM port

  1. #1
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    Default Software to monitor / spy on serial COM port

    Seeking an application that will passively monitor or spy on traffic over a serial COM port. Requirements are:
    •Windows 7 64 bit compatible
    •Free, and not crippled until paid for
    •Able to monitor a COM port without the use of hardware
    •Able to monitor a COM port that is already in use between another application and a connected device i.e. passively able to monitor in both directions without interrupting the COM port's functionality.

    I've tried a LOT and most won't work on Win 7, others are crippleware, others are intrusive and not passive at all. Would appreciate any suggestions, thanks in advance



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  • #2
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    Have you tried PuTTY?

    P.S. Actually it looks like PuTTY can only do incoming traffic.

    If you need good sniffer then check the site
    Last edited by fromaron; 07-05-19 at 09:21 PM. Reason: Added more

  • #3
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    I think you're asking a lot of a serial port!!

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