It is usually the incorrect Firefox proxy settings that prevent Burp to intercept while testing your website on localhost. But if you come across proxy errors on Windows 11, you can refer to our detailed guide for some quick solutions.

Why is my Burp suite not working?

It could be possible that along with incorrect browser proxy settings, the IP address and port number also do not match as configured in a running Proxy listener. For example, the Burp’s default settings with the IP address is 127.0.0.1 and port is 8080. But it may differ from your current configuration leading to the issue. However, in this post, we have some quick solutions to help you fix the Burp suite proxy not working in the Firefox issue. Quick Tip: We feel that switching to a browser that fully supports Burp Suite proxy settings is now or never. Opera’s built-in proxy VPN is a nice find for configuring Burp suite from outside your browser. By ticking the Use proxy for local servers checkbox, you may define whether the proxy should be used for even local servers. Moreover, switching to Opera will transfer all saved data from Firefox instantly.

How do I fix the Burp suite proxy that is not working in Firefox?

1. Check if the Burp proxy listener is active

2. Enable the Firefox proxy settings

You have successfully turned on the proxy settings in Firefox and the Burp suite is ready for web testing.

3. Check the proxy configuration for your browser

Now, return to your browser and you should now see the requested page loading as it would during normal browsing. SPONSORED

What can I do if the Burp suite CA certificate is not working?

To access the Burp suite URL and download the CA certificate, Burp should be running. Also, Firefox needs to be sending traffic through Burp’s proxy listener. But if you have not already done that, you would first need to configure Firefox to work with Burp as shown above. However, if you are still unable to download the Burp suite CA certificate, then you would first need to check if your proxy listener is active as explained above. But, if it still does not work, you can try a different port as shown below; Try a different port You can now download and install the Burp CA certificate and since you have already configured the proxy settings in Firefox, you can continue using the suit for web security testing. The Burp Suite is a great tool set for web developers to perform security testing for their web pages or web applications. However, if the proxy is not set correctly in your browser, the suite may fail to work. That’s exactly why you should try the above solutions to fix the Burp suite proxy not working in the Firefox issue. But if you are looking for the best coding browser extensions for Firefox, we have a detailed list just for you. For any other issues with Firefox that you want to report, do leave a message in the comments box below.

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