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I have followed the guide here: Configure Fiddler for Android / Google Nexus 7 in order to redirect outgoing traffic from my android device to go through Fiddler acting as a proxy on my desktop machine on my local network.

While using the browser on my android device I can see requests logged in Fiddler for the websites I am visiting, which verifies that I have set up the proxy correctly.

However, when using certain apps I can see no requests being logged, even though information in the app is being actively updated over the network.

I have ensured that mobile data is turned off.

The following question is related: Android apps not working with HTTP proxy but in their case the apps are not able to connect to the internet and are showing errors. In my case the app I am using is able to retrieve information over the network with no problems, but I cannot see the requests being made in Fiddler.

I want to be able to analyze the requests sent between an app on my phone which controls a wireless thermostat connected to my LAN via wifi.

  • You may try a third party proxifier app. For socks proxy SocksDroid is a simple, free and open source project but it doesn't support HTTP(s) proxies. Check Drony or Postern. These all make use of VPN API of Android to redirect all traffic. – Irfan Latif Dec 11 '18 at 12:28
  • Hi and welcome to Android.SE! It suggests that the configuration to make the Android device use Fiddler failed. Does it not? – 0xC0000022L Dec 12 '18 at 8:46
  • @0xC0000022L - well not entirely because some types of traffic were captured and some not. My question is why? – Karl Dec 13 '18 at 9:25
  • @Karl then you need to qualify your statement In my case the app I am using is able to retrieve information over the network with no problems, but I cannot see the requests being made in Fiddler. Because network is a superset of HTTP and the latter would typically be the only type of traffic Fiddler concerns itself with due to the way it's being configured. – 0xC0000022L Dec 13 '18 at 12:57

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