Capturing Trafific of Android Device using VPN

[Matthias]

Hi,

I try to capture my traffic from my App running on an android device (VPN necessary) using Fiddler on Windows 10. The App is using netstandard2.0. So I follow the instruction of this:

   https://docs.telerik.com/fiddler/Configure-Fiddler/Tasks/DecryptHTTPS

   https://docs.telerik.com/fiddler/Configure-Fiddler/Tasks/ConfigureForAndroid

   https://docs.telerik.com/fiddler/Configure-Fiddler/Tasks/ConfigureDotNETApp

 

It works all fine without using VPN. But when I activate VPN Fiddler doesn't capture anything of my android device. Any idea?

 

 

[Simeon]

Hi Matthias,

I believe that you have a similar issue as this one. I hope that my answer there will give you a clue.

Regards,
Simeon
Progress Telerik

[Herb]

Simeon, does your response mean that it is NOT POSSIBLE to capture with the VPN present?  Thanks.

[Nick Iliev]

ey Herb,

 

Fiddler works with VPN in the case where the VPN and the FIddler proxy are on the same machine. However, it won't work for a remote PC/device like in the case described by Matthias (where the remote is the Android device with VPN, and Fiddler is working on another network).

 

Regards,
Nick Iliev
Progress Telerik