Viewing network traffic calls on IOS real device using MITM Proxy

Getting Started

If you have used android studio for helping in setup emulators, you would have realized how nifty the Logcat feature is. It allows us to see all network calls being made as we perform any user journey on the mobile device. Ever wondered how to do this on an IOS real device? Xcode? Sadly we do not have such a feature in Xcode. So what is the solution. Enter MITM Proxy. For the uninitiated MITM is a powerful HTTPS proxy which can be used for multiple use cases. Today lets see how we can use it to capture traffic on an IOS real device.

Lets setup MITM

Installing and starting MITM proxy on mac

  • Install MITM using homebrew brew install mitmproxy

Setting up IOS real device to pass traffic via proxy

  • Open Settings > Wifi > <your_wifi_name> > Tap on Configure proxy under HTTP proxy
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  • Open mitm.it on any browser in real device and tap on Apple icon followed by tapping install couple of times to install mitmproxy certificate on the device
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  • Finally ensure for MITM proxy, Full trust is enabled for root certificate the installed certificate by navigating to About > Certificate Trust Settings
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How to see logs

  • Once MITM is running in terminal you would start seeing network calls having all requests, response and header info captured.

Tip: If you want to see calls made by your apps with a specific pattern in the URL type f and then enter a pattern, this would filter out all other captured network calls.

  • To see all available commands, press ? to see a summary of available commands.

That’s it. Enjoy! Do revert in case you have any specific questions on this and lets figure them out together

Lead SDET at Gojek, Bengaluru, I ❤️ to code in Kotlin, Python 🐍, and Java to build scalable test automation frameworks. Blog at automationhacks.io 🇮🇳

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