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A wireshark/tshark plugin for the JA3 TLS Client Fingerprinting Algorithm
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.gitignore Initial commit Jul 5, 2019 Improved with information what this Wireshark plugin does. Feb 5, 2020
ja3.lua Improved Wireshark JA3-dissector by adding JA3S hash. Feb 5, 2020

JA3 - Wireshark/tshark plugin

An implementation of the JA3 TLS client fingerprinting algorithm for wireshark/tshark.


  1. Copy ja3.lua to the plugin folder
  2. Download a copy of md5.lua and copy it to the plugin folder
    • Alternatively Ubuntu users can install a compatible library by running apt install lua-md5


In Wireshark, for TLS or SSL packets, this plugin will display addinitional information. JA3 information in form of full info and MD5-hash for client handshake packets. JA3S information will be displayed for server hello packets.

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