Thursday, 26 April 2018

Fiddler : App load testing at each layer

How to capture HTTPS traffic in Fiddler

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

Logo:






The software looks like:



No Configuration required to capture Web Requests in Fiddler.

Every browser Requests are captured by default.

BUT:
By default Fiddler doesn’t show the content of Web requests made to HTTPS Url (Secure site) because it's encrypted. Perform following steps if you want to see HTTPS Traffic.

- Launch Fiddler
- Go to Tools > Fiddler Options > HTTPS > Check [Decrypt Https Traffic Option]
- Once prompted accept certificate generated by Fiddler



To view compressed response in fiddler perform following steps.

- Click on the web request entry on left pane
- Click on the Inspector Tab > Click Transformer tab from bottom panel
- Click on transformer tab and select No compression option and then click Raw tab