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I am looking for a software that would fulfill the following requirements:

  • Able to "sniff" communication over RS232 (like PortMon and Advanced Serial Data Logger)
  • Able to listen to a given address/port for TCP/UDP broadcasts (like Hercules)
  • Optionally could "sniff" IEEE488 communication
  • Optimally would be free

Is there such a magical tool?

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closed as off-topic by Daniel R Hicks, random Aug 31 at 3:38



1 Answer 1

You didn't say what OS you're using.

For Linux, try socat or graag's SockSniffer on the /dev/ttySx device which represents the serial port:

For Windows, there are many solutions available with a basic Google search.

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