How to use Fiddler

Procedure for collecting Fiddler Trace: (Clear the cache before collecting the network trace)

1.      Visit the following Web site, and then install the most recent version of the 

  Fiddler tool: http://www.fiddlertool.com/fiddler/version.asp.

2.      To start the Fiddler tool, click Start, point to All Programs, and then click Fiddler.

3.      In the Fiddler window, click on File and select the “Capture Traffic” option to stop

          logging.

4.      Click on Tools and select ‘Fiddler Options’. On the General tab check the box next to 

 ‘Decrypt HTTPS traffic’

5.      Click on Edit and select ‘Remove’ and select ‘All sessions’ to clear out the previously

  captured data.

6.      Now that the Fiddler trace file is running, perform the page access from the client, and

         refresh.

  the page a few times to ensure we capture the needed information. 

7.      After the refresh of the page, on the File menu, click Capture Traffic to stop the data

 collection. 

8.      Click anywhere in the HTTP Sessions window. 

9.     On the File menu, click Save. 

10.   In the Save list, click Sessions, and then click as ArchiveZIP to save the HTTP Fiddler

        trace file. 

11.   Save the file to the folder that you want. 

12.   Send the requested traces to me for analysis.

13.   After you collect the trace file, remove the HTTP Fiddler tool. To do this, follow these   

        steps:

a.       Click Start, click Run, type control appwiz.cpl , and then press ENTER to open the

          Add or Remove Programs window. If you are running Windows Vista, click the Start button,

          and then type control appwiz.cpl in the text box.          

b.      Click Change or Remove Programs. 

c.       In the list of programs, click Fiddler, and then click Change/Remove. 

d.      Follow the steps to remove the tool

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Ravi Chopra

With 19 years of hands-on experience in the IT industry, I’m passionate about sharing the knowledge I’ve gained across a wide range of technologies. Specializing in Active Directory, Azure, VMware, Windows, and Linux, I am dedicated to empowering IT professionals and enthusiasts with practical insights and solutions.

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