Capturing Python web traffic with Fiddler

Update 4/15/2019 – added GraphRbacManagementClient section Introduction: Capturing encrypted HTTPS web traffic in Python with Fiddler can be tricky mainly because Python uses its own trusted certificate store instead of the OS’s certificate store and in certain scenario, python does not use proxy by default.  This post will cover how to capture SSL traffic using Fiddler for a few different scenario: ADAL for Python: The problem with this case is…

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How to filter Fiddler capture traffic using host name and process name

This post discusses a couple of ways to filter Fiddler traffic based on domain names (or host names) and client process(es): Note that before using filter you should make sure Fiddler is configured to capture all processes.  This is indicated at the bottom left corner of Fiddler window.  That area is clickable to change the selection. Filter traffic using Fiddler’s built-in filter feature: From Fiddler’s right pane –> Filters tab…

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Capture http(s) traffic with Http Fiddler

1 – Download the Fiddler 4 application and install it on the machine used to reproduce the problem (if you have not already).  Go to http://www.telerik.com/download/fiddler 2 – Enable the option to  decrypt HTTPS traffic: Tools -> Options -> Https -> select ‘decrypt HTTPS Traffic’ (you may be prompted to install the Fiddler certificate – make sure to select Yes) Ensure this option is checked when collecting the trace as…

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Tracing All Network Machine Traffic Using MITMProxy for Mac OSX

Introduction This article is meant to help you configure your Mac OS X to be able to track all your network traffic using MITMProxy. This is a free and open source alternative to Fiddler, Charles, and other network tracing alternatives for Linux/mac OS X systems. Also in addition MITMProxy is a more robust system that gives the user more configurability and programmability as there is a Python API for MITMProxy…

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