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