Q:

Network request not seen in Charles

I am trying to see network request done by an iPhone app so I can check what data is being sent. Or at least, how many requests it is doing.
But when using Charles or Burp Suite on my Mac, it does not show any request outputs from this specific app. All other requests show, also from inside other apps. But this specific app does not register any requests at all, even when all data inside the app is reloaded.
How is this possible? Are there other ways to do requests? And can they be registered?
Ron

A:

The app was doing SOAP requests. Apparently Charles does not pick those up.
I used Wireshark to investigate. That one did the trick.

