HTTP Protocol

  1. HTTP Status Codes
    1. Status Code Categories
      1. 1xx Informational Responses
        1. 100 Continue
          1. 101 Switching Protocols
            1. 102 Processing
            2. 2xx Successful Responses
              1. 200 OK
                1. 201 Created
                  1. 202 Accepted
                    1. 204 No Content
                      1. 206 Partial Content
                      2. 3xx Redirection Messages
                        1. 300 Multiple Choices
                          1. 301 Moved Permanently
                            1. 302 Found
                              1. 304 Not Modified
                                1. 307 Temporary Redirect
                                  1. 308 Permanent Redirect
                                  2. 4xx Client Error Responses
                                    1. 400 Bad Request
                                      1. 401 Unauthorized
                                        1. 403 Forbidden
                                          1. 404 Not Found
                                            1. 405 Method Not Allowed
                                              1. 409 Conflict
                                                1. 410 Gone
                                                  1. 429 Too Many Requests
                                                  2. 5xx Server Error Responses
                                                    1. 500 Internal Server Error
                                                      1. 501 Not Implemented
                                                        1. 502 Bad Gateway
                                                          1. 503 Service Unavailable
                                                            1. 504 Gateway Timeout

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                                                          6. Structure of HTTP Responses

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                                                          8. State and Session Management