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Oliver Simonnet - 24 Nov 2021
A bit of a Fixer Upper - Testing FIX-backed applications
This article explores testing and intercepting FIX protocol applications using MitM_Relay and Burp Suite. A custom Python script was developed to maintain message integrity when modifying FIX messages. A Burp extension called "Fixer Upper" was created to simplify FIX message interception and modification.