WebSocket messages are trimmed to 8192 bytes in FiddlerCore

2 posts, 0 answers
  1. Андрей
    Андрей avatar
    1 posts
    Member since:
    Dec 2015

    Posted 20 Dec 2015 Link to this post


    I'm trying to process a 30KB WebSocket message, but both


    are trimmed.

    Unfortunately, manipulations with Prefs don't help

    FiddlerApplication.Prefs.SetInt32Pref("fiddler.network.sockets.ClientReadBufferSize", 1000000);
    FiddlerApplication.Prefs.SetInt32Pref("fiddler.network.sockets.ServerReadBufferSize", 1000000);
    FiddlerApplication.Prefs.SetInt32Pref("fiddler.network.sockets.Client_SO_RCVBUF", 1000000);
    FiddlerApplication.Prefs.SetInt32Pref("fiddler.network.sockets.Client_SO_SNDBUF", 1000000);
    FiddlerApplication.Prefs.SetInt32Pref("fiddler.network.sockets.Server_SO_RCVBUF", 1000000);         FiddlerApplication.Prefs.SetInt32Pref("fiddler.network.sockets.Server_SO_SNDBUF", 1000000);

  2. Eric Lawrence
    Eric Lawrence avatar
    832 posts

    Posted 21 Dec 2015 Link to this post

    What makes you think the WebSocket message is 30kb?

    The most likely explanation is that the message is in fact 8kb and the server has fragmented the 30kb of data into four such frames, the first three of which will have the IsFinalFrame flag set to false.

    If you send me a SAZ file from Fiddler (File > Save Session Archive, Help > Send Feedback), I'm happy to have a look.

    Eric Lawrence
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