400: The Plain Http Request Was Sent To Https Port

A simple explanation of the 400 status code and what it means for HTTP requests sent to HTTPS ports.

What are HTTP requests?

A plain HTTP request is a request made to the server by a client (like a web browser) to send data, such as form data or metadata. HTTP requests typically start with an HTTP protocol version followed by a status code and some optional headers.

How do I monitor an HTTPS port?

To monitor an HTTPS port, you can use tools like Burp Suite or Postman. These tools allow you to capture and analyze HTTP requests sent to the HTTPS port.

Troubleshooting HTTP requests on HTTPS

If you're experiencing issues with HTTP requests on an HTTPS port, try checking your browser's developer tools or using a network debugger like Fiddler to see if the request is being sent correctly.

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