tslumd-wireshark

January 14, 2022 ยท View on GitHub

Wireshark dissector for TSL UMD (under-monitor display) protocol V3.1, V4.

For details of the protocol, see https://tslproducts.com/media/1959/tsl-umd-protocol.pdf

Installation

Copy tsl_dissector.lua to your Wireshark plugin directory, e.g. C:\Program Files\Wireshark\plugins

Alternatively, start Wireshark withe command-line option -X lua_script:tsl_dissector.lua

Usage

The dissector binds to UDP port 5001 by default. To use with other ports use Wireshark's "Decode as..." dialog.

Features

  • Decodes V3.1 and V4 packets
  • Detects a few simple protocol errors

Screenshot

Known limitations

  • No TCP packet reassembly
  • No checksum tests or full dissection for V4 packets
  • No support for V5 protocol

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

GPL 2.0