Can't capture https from Facebook. Used to work :(

5 posts, 0 answers
  1. Herb
    Herb avatar
    1 posts
    Member since:
    Apr 2016

    Posted 20 Apr Link to this post

    Been using Fiddler for awhile.  It's an amazing program.  I'm no longer able to capture https traffic from the Android Facebook app.  I've read all the threads and searched all around for a solution.  I've seen discussions on ssl pinning, killswitch, etc.  I've used proxydroid in the past, as well.  Does Facebook now have this certificate pinning issue or is there another workaroud available.  It used to work great.  I would rather test on a non-rooted device.  Thanks.
  2. Tsviatko Yovtchev
    Admin
    Tsviatko Yovtchev avatar
    409 posts

    Posted 25 Apr Link to this post

    Hello,

    What changed between the moment you could capture traffic and the moment you could not? Did you update Fiddler? Did you change something else in your setup? Which version of Fiddler are you running now?

    Regards,
    Tsviatko Yovtchev
    Telerik
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  3. Иван
    Иван avatar
    2 posts
    Member since:
    Dec 2016

    Posted 1 day and 15 hours ago Link to this post

    Same here. Used Fiddler for a while with other applications and everything worked great. The only app that I can't decrypt is Facebook with it's tls1.2. Any ideas how can I do it?
  4. Tsviatko Yovtchev
    Admin
    Tsviatko Yovtchev avatar
    409 posts

    Posted 1 day and 15 hours ago Link to this post

    Hi,

    TLS 1.2 is off by default in Fiddler (there were many buggy implementations so Fiddler negotiated for lower protocol version by default). You can switch it on by adding it to the Protocols list in the HTTPS tab of Options.

    Regards,
    Tsviatko Yovtchev
    Telerik by Progress
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  5. Иван
    Иван avatar
    2 posts
    Member since:
    Dec 2016

    Posted 1 day and 15 hours ago in reply to Tsviatko Yovtchev Link to this post

    Thanks for your fast reply.
    It's enabled: "ssl3;tls1.0;tls1.1;tls1.2"
    And I recreated certs with BCCertMaker.BCCertMaker and updated them both at PC and Emulator.
    Btw, same with my iOS. Can't connect if using Fiddler.
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