• .NET

    Evaluating Certificates in Fiddler and FiddlerCore

    In this post, I’ll demonstrate a proposal called Convergence, which attempts to detect targeted attacks against HTTPS traffic—for instance, from within a specific locale or country. Here’s how Convergence works: when the client connects to a HTTPS site, it obtains its certificate. It then consults a set of servers around the world, called notaries, and checks to see whether the site in question is sending the same certificate to all of those servers as well.
    January 03, 2013
  • .NET

    Performance Optimization with Fiddler

    Every December, Web Performance guru Stoyan Stefanov (@stoyanstefanov) corrals folks around the web performance community to collect insights and best practices on building faster websites and services.
    December 26, 2012
  • .NET

    Using Fiddler with Apple iOS Devices

    You can use Fiddler to debug traffic from Apple’s iOS-based devices if you have a Windows or Linux-based PC to run Fiddler on, and a Wi-Fi connection shared between that PC and your iOS device.
    December 21, 2012
  • .NET

    Announcing the new Fiddler Logo

    Last month, I announced that Telerik designers had created a variety of new logo proposals for Fiddler, and that we were looking to the Fiddler community to select their favorite. A month later, thousands of votes have been cast, and while the contest was close, a winner emerged-- candidate #2...
    December 13, 2012
  • .NET

    Better Repro Playback with Fiddler

    One of Fiddler’s most-useful but least-used features is its ability to playback previously-captured web-traffic to debug website issues reported by customers “in the field.” In today’s post, I’ll explain the recent Fiddler improvements supporting this scenario.
    November 15, 2012