Fiddler

Fiddler has no known superhuman powers or abilities. He is a very skilled violinist who has received classical training. He is a fairly skilled inventor, as he was able to construct his own. A person who plays the violin (= small, stringed instrument), esp. In music popular in rural areas (Definition of fiddler from the Cambridge Academic Content Dictionary © Cambridge University Press). After the initial startup, the Fiddler Everywhere application captures only non-secure traffic (HTTP). SSL encrypted traffic isn't captured by default. To enable capturing and decrypting HTTPS traffic, you need to install the Fiddler root certificate via the HTTPS sub-menu under Settings.

By default, Fiddler does not capture and decrypt secure HTTPS traffic. To capture data sent through HTTPS, enable HTTPS traffic decryption.

Enable HTTPS traffic decryption

  1. Click Tools > Fiddler Options > HTTPS.

  2. Click the Decrypt HTTPS Traffic box.

Skip traffic decryption for a specific host

Fiddler Logs

  1. Click Tools > Fiddler Options > HTTPS.

  2. Type the hostname in the Skip Decryption.

Skip traffic decryption for an application

To skip traffic decryption for a specific application or to decrypt HTTPS traffic only from a single host, you must modify the OnBeforeRequest function in the FiddlerScript.

Add a rule like this inside the OnBeforeRequest function:

Fiddler On The Roof Cast

Fiddler

Decrypt traffic from one hostname only

Fiddlers Green

Add a rule like this inside the OnBeforeRequest function:

See also