Open Source Serial Port Sniffer

Cara mengatasi idm cannot download the file because of timeout. Serial port to network proxy This project provides a proxy that allows telnet/tcp connections. Open Source Commercial. 414 programs for 'serial port sniffer'. You can't capture traffic of a COM port (serial Port) on Windows with Wireshark, as the capturing library (WinPcap) does not support this. What you need is a COM port sniffer for Windows.
Question edited. Need to understand the serial communication protocol between a USB device and PC, that uses serial over USB communication. I was planning on using a software based approach for serial port sniffing / monitoring / logging the serial communication. My constraint is availability of PCs running Windows 7 64-bit only, and none of the methods I have come across work on this setup. Here are some that I've tried: • • • • Looking for alternative ideas, approaches? Hardware based approach would not be my first choice, but anything that can be done at a low-cost, or better still -- DIY, I'd love to hear more.