Modifying All Request Headers in Fiddler

This quick guide will show you how you can add and modify headers in Fiddler and them to all requests.

There will be times where you will need to test performance or functionality of web apps which may require the modification of request headers – for example, if you were to move to a shared hosting environment and want to test the functionality and performance of the new host without changing DNS records, you will need to modify the HOST header otherwise the host will not know which site you want to visit.

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What does the iOS Diagnostics App Send to Apple?

I was asked by an Apple rep to send in diagnostic logs via the iOS diagnostics app in an attempt to diagnose a reboot/battery issue with an iPhone 4S.

Curious as to how this information was collected and more importantly what was collected, I fired up my new friend Fiddler 🙂

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