Fiddler doesn't catch HTTP traffic from WPF app

2 posts, 0 answers
    NIKOLAY avatar
    2 posts
    Member since:
    Aug 2013

    Posted 12 Jul 2017 Link to this post



    I've got W2012R2 with WPF app. This WPF app makes wrong HTTP call to a WCF service. However, when I run Fiddler on this local machine, I see no packets from this app. Moreover, Fiddler doesn't show this WPF app in available processes for intercepting. How can I make Fiddler intercept all HTTP traffic from a WPF app?

  2. Tsviatko Yovtchev
    Tsviatko Yovtchev avatar
    549 posts

    Posted 17 Jul 2017 Link to this post


    Fiddler is a proxy so you should set your WPF app to use Fiddler ( by default) to use Fiddler as a proxy in order to see its traffic in Fiddler. It doesn't work the other way around, i.e. you cannot tell Fiddler to get traffic from your app.

    There is no real guideline for setting up your app to use Fiddler as a proxy, too. The procedure is really app dependent so you will have to figure it out yourself.

    Tsviatko Yovtchev
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