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Capture Proxy Logs Through Fiddler On Android Device

Knowledge Article Number 000214415
Description How to capture proxy logs through Fiddler on Android devices for troubleshooting purposes. This KB article covers the steps on how to install and configure Fiddler on the Android devices. 
Resolution Note:
  • Before proceeding with the below steps make sure that your IT team approves the following steps. On few computer's you won't be able to install it without IT's approval and admin rights.
  • Also, both the mobile and the laptop should be on the same network.
 
  • Download and Fiddler on Windows Machine here: Download (Note: Fiddler is available on MAC in Alpha version with limited functionalities).

Configure Fiddler:
  • Click Tools > Fiddler Options > Connections.
  • Ensure that the checkbox by Allow remote computers to connect is checked.
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  • If you check the box, restart Fiddler.
  • Hover over the Online indicator at the far right of the Fiddler toolbar to display the IP address of the Fiddler server.
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Configure Android Device:
  • Swipe down from the top of the screen and tap the Settings icon.
  • Tap Wi-Fi.
  • Tap and hold your current Wi-Fi network. Select Modify Network.
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  • Tap the Show advanced options box.
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  • Tap the Proxy settings dropdown and select Manual.
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  • Type the IP address and port (usually 8888) of the Fiddler server.
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  • Tap Save.
To verify this configuration, go to http://ipv4.fiddler:8888/. Chrome should display the Fiddler Echo Service webpage, and the traffic should appear in Fiddler.

Disable The Proxy:
  • On the Fiddler Echo Service Webpage, click the FiddlerRoot Certificate link.
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  • If the download doesn't open automatically, swipe down from the top and tap the Settings icon.
  • Tap Personal > Security.
  • Under Credential Storage, tap Install from storage.
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  • Tap the FiddlerRoot.cer file.
  • (Optional) Type a name for the certificate.
  • To verify this configuration, tap Trusted credentials > User. This should display the Fiddler certificate.
Disable HTTPS Decryption:
  • To delete the FiddlerRoot certificate, tap Trusted credentials > User and delete the certificate.

 




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