Capture HTTPS traffic from Firefox

Configure Fiddler

  1. Click Tools > Fiddler Options.

  2. Click the HTTPS tab. Ensure the Decrypt HTTPS traffic checkbox is checked.

  3. Click the Export Fiddler Root Certificate to Desktop button.

    Export Root Certificate to Desktop

Configure Firefox

  • If FiddlerHook is enabled, in Firefox click Tools > Monitor with Fiddler > Trust FiddlerRoot certificate....

FiddlerHook Menu Option

  • Or, import the certificate manually:

    1. Click Tools > Options... > Advanced > Encryption > View Certificates > Authorities > Import.

      Import Certificate

    2. Select the FiddlerRoot.cer file from your desktop.

    3. Click the checkbox next to Trust this CA to identify web sites.

    Trust this CA to identify web sites