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The Unofficial docs for Charles Proxy

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iOS devices and Charles

This setup guide will help you configure Charles and your device so you can view your app’s network traffic in plain text. NOTE: You can’t view/intercept the traffic of apps with a pinned certificate. Most apps with sensitive data, e.g. banking apps, will block you from viewing/intercepting their traffic. If you just want to playContinue reading “iOS devices and Charles”

Android devices and Charles

This tutorial will show you how to configure Charles and your device so you can view your app’s network traffic in plain text. NOTE: Since Android Nougat (7.1), Google have blocked you from intercepting/decrypting network traffic from Play Store apps. NOTE: To proceed with this tutorial, you will need to be able to build yourContinue reading “Android devices and Charles”

Rewrite – Tips & Tricks

Here are some tips and tricks I’ve picked up over the years while working with Rewrites that make creating them a little easier! The ‘Notes’ Columns Swap ‘Info’ column for ‘Notes’ The more Rewrites you use the more sense it makes to swap the ‘Info’ column for the ‘Notes’ one Right-click the the bar withContinue reading “Rewrite – Tips & Tricks”

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3 ways to Reduce unwanted network traffic

Other than using the “Filter” field, there are 3 other ways to reduce the amount traffic your Charles sessions captures Recording Settings Exclude traffic from being recorded Add the URL(s) to the “Exclude” tab of the “Recording Settings…” feature Proxy -> Recording Settings -> Exclude Focused Host Focusing on specific hosts As the name suggests,Continue reading “3 ways to Reduce unwanted network traffic”

Advanced Repeat

The Advanced Repeat feature lets you automatically hit endpoints at predefined intervals. You can also to add delays between each iteration. In this tutorial we are going to show you 2 use cases for this feature: Performance testing Monitor health of specific endpoints Prerequisites Make sure you have installed and configured the Charles Root certificate on yourContinue reading “Advanced Repeat”

Firefox and Charles

If you want to view decrypted Firefox network traffic in Charles, you need to perform 1 extra task when compared to Chrome and Safari. You need to import the Charles root cert on your machine into Firefox. In this example, I will proxy traffic from the NY Times homepage, via Firefox, to Charles Prerequisites MakeContinue reading “Firefox and Charles”

Common Problems – Android

Here are some of the common issues people face when working with Android and Charles. Details on how to fix these issues has also been included. Time Outs The app or browser keeps timing out Check if the local IP address of your Mac has changed If it has changed, it means your device canContinue reading “Common Problems – Android”

View localhost traffic

If you are developing something on your local machine you may like to the ability to view your traffic in Charles. In this tutorial we will show you how to proxy your localhost traffic through Charles Prerequisite Install Charles Make sure you have setup the Charles Root certificate on your Mac before you proceed to the next stepContinue reading “View localhost traffic”

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