Configure Fiddler Classic for Mac

Virtualization products like VMWare Fusion or Parallels Desktop permit Fiddler to run in a virtual machine on your Mac.

Configure the Virtual Machine

  1. Install Parallels.

  2. Set the Windows Virtual Machine Hardware > Network 1 Type to Bridged Network mode.

  3. Restart the Virtual Machine.

Configure Fiddler Classic

  1. Install Fiddler Classic on the Virtual Machine.

  2. Open Fiddler.

  3. Click Tools > Fiddler Options > Connections.

  4. Click the checkbox by Allow remote computers to connect.

    Allow remote computers to connect

  5. Restart Fiddler.

  6. Ensure your firewall allows incoming connections to the Fiddler process.

Configure Mac

  1. Hover over the Online indicator at the far right of the Fiddler toolbar to display the IP addresses assigned to the virtual machine.

    Online Tooltip

  2. Click the Apple Menu.

  3. Click System Preferences.

  4. Click the Network icon.

  5. Click the Advanced button.

  6. Click the Proxies tab.

  7. Enable the Web Proxy (HTTP) and Secure Web Proxy (HTTPS) options to point to the IPv4 address of the virtual machine using port 8888.

Disable After Use

After using Fiddler, return to the OSX System Preferences and disable the proxy settings.

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