#FIDDLER HTTP SNIFFER HOW TO#

#FIDDLER HTTP SNIFFER HOW TO#

IвЂ™ll have more on SSL captures and certificate installation later in this post.Д«ut first letвЂ™s see how easy it is to use FiddlerCore to capture HTTP content by looking at how to build the above capture form. The library consists of the FiddlerCore.dll as well as a couple of support libraries ( CertMaker.dll and BCMakeCert.dll) that are used for installing SSL certificates. You can download it from the Telerik site and manually add the assemblies to your project, or you can simply install the NuGet package via: Integrating FiddlerCoreДЇiddlerCore is a library that simply plugs into your application. Note that FiddlerCore is bound by a license for commercial usage вЂ“ see license.txt in the FiddlerCore distribution for details. West Wind Web Surge (example implementation in live app).Show me the Code (WebSurge Integration code from GitHub).If you want to jump right in here are the links to get TelerikвЂ™s Fiddler Core and the code for the demo provided here. In this post IвЂ™m going to demonstrate how easy it is to use FiddlerCore to build this HTTP Capture Form. The result of what I ended up creating is this semi-generic capture form: FiddlerCore makes it almost too easy to capture HTTP content!ДЇor WebSurge I needed to capture all HTTP traffic in order to capture the full HTTP request вЂ“ URL, headers and any content posted by the client. To make this happen, I used Eric LawrenceвЂ™s awesome FiddlerCore library, which provides most of the functionality of his desktop Fiddler application, all rolled into an easy to use library that you can plug into your own applications. One of the options in WebSurge for capturing URLs is to use its built-in capture tool which acts as an HTTP proxy to capture any HTTP and HTTPS traffic from most Windows HTTP clients, including Web Browsers as well as standalone Windows applications and services. One of the key components of a load testing tool is the ability to capture URLs effectively so that you can play them back later under load. Over the last few weeks IвЂ™ve been working on my Web load testing utility West Wind WebSurge.

Fiddler http sniffer