Why fiddler not working with firefox

Yesterday, I was delighted to learn that Firefox added a better option way back in Firefox Simply visit about:config in Firefox and toggle the security. After you make this change, Firefox will automatically trust certificates chained to roots in the Windows Trusted Root Certificate store, just like Chrome, Edge, IE and other browsers. Impatient optimist. My words are my own. View more posts.

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Please don't use this form to report bugs or request add-on features; this report will be sent to Mozilla and not to the add-on developer. Used by 1, Users 7 Reviews. This Firefox extension allows you to enable the Fiddler proxy from within Firefox.

Because Firefox uses its own proxy settings, if Fiddler is started after Firefox is started, Firefox does not use Fiddler.

This extension works around that: Once Fiddler is started you press the button in the toolbar and Firefox will then use Fiddler. What problem does it solve? Firefox uses its own proxy settings instead of the OS-native proxy settings.

The proxy settings from the OS are loaded when Firefox starts, but never refreshed afterwards. This poses a problem when you start Fiddler after you start Firefox. We see that you have already chosen to receive marketing materials from us.

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All Products. Configuring Firefox for Fiddler by Eric Lawrence. Fortunately, both of these are simple tasks. At this point, you have two choices: You can configure Firefox to respect the system proxy settings. You can manually configure Firefox to point at Fiddler. This is the recommended configuration: Alternatively, you may manually configure Firefox to send traffic to Fiddler by entering the IP address and port by default, To avoid this warning page, we can reconfigure Firefox to trust the Fiddler root certificate.

What about FiddlerHook? Drag the Fiddler button to the desired location: In the very latest version of Fiddler v2. About the Author Eric Lawrence Eric Lawrence ericlaw has built websites and web client software since the mids. Give It a Spin! Comments are disabled in preview mode.