Capturing Traffic from .NET Services with Fiddler - Telerik Fiddler - Capture Traffic

Capturing Traffic from .NET Services with Fiddler

Have you ever wondered - how to trace incoming request or response to server when sending email C#.NET program.  

To say, Fiddler is the free version tool available online, and one of the tools is from Telerik

Its Free Web Debugging Proxy - Telerik

There you go with steps one by one to get it done,



1. Download Fiddler https://www.telerik.com/download/fiddler

2. To trace incoming from .Net project required to add .net settings in machine config file

3. Now the question is how to do ?

4. Open notepad as Run as Administrator 

5. Notepad File menu click on open and paste this code %WinDir%\Microsoft.NET\Framework\v2.0.50727\CONFIG

6.  Choose the file type as all files 

7. Look for machine.config file

8. Open it

9. Add the following lines after </system.web>  tag and save [ Ctrl + S ].

Add the following XML block as a peer to the existing system.net element, replacing any existing default Proxy element if present:


 <!-- The following section is to force use of Fiddler for all applications, including those running in service accounts -->


<system.net>
<defaultProxy
                enabled = "true"
                useDefaultCredentials = "true">
<proxy autoDetect="false" bypassonlocal="false" proxyaddress="http://127.0.0.1:8888" usesystemdefault="false" />
</defaultProxy>
</system.net>

10. Now Start the Fiddler
11. Fiddler will capture all the requests from .Net