It captured the traffic for only one time and it never able to do it again

2 posts, 0 answers
  1. Rgame
    Rgame avatar
    1 posts
    Member since:
    Feb 2018

    Posted 27 Feb Link to this post

    Hello,

    I connect fiddler with IOS device. HTTPS is turned on, the certificate is installed couple times.

    The connection is fine. I can see the tunnel to...:443. I can also see https/404... but nothing else.

    When I started the App, it says unable to connect to the server.

    Fiddler only has tunnel to...443. 

    But for some reason, I was able to capture the traffic and log-in one time. well, only the once...

    I am sure there is nothing different that time. I think Fiddler is acting wired...

    Have any suggestion? thank you.

     

    Sincerely,

    Ts

     

  2. Simeon
    Admin
    Simeon avatar
    116 posts

    Posted 02 Mar Link to this post

    Hi,

    Is it possible that the app which you are debugging with Fiddler is using certificate pinning? If this is the case you could take a look at this http://fiddler.wikidot.com/certpinning and this https://www.telerik.com/forums/can't-capture-https-traffic-on-ios-from-app-with-ssl-pinning

    Another thing which comes to my mind is that if you are using iOS 10.3 or later it could be that the certificate is not trusted. According to this https://support.apple.com/en-us/HT204477 it should be trusted manually.

    In case that these options does not solve your problem, could you please provide me with the exact Fiddler version which you are using and the log produced in the Log tab while you are trying to connect to the server with the App.

    Regards,
    Simeon
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