The 4xx status code class is intended for cases where the client appears to have made a mistake. In addition to responding to a HEAD request, the server must contain an object that contains an explanation of the error situation and indicates whether the condition is temporary or permanent.
Part of the Hypertext Transfer Protocol – HTTP / 1.1
RFC 2616 Fielding et al.
What Are HTTP Status Codes?
Every time you click a link or enter a URL and hit enter, your browser sends a request to the web server for the site you want to access. The server receives and processes the request, and then returns the appropriate resources with an HTTP header.
HTTP status codes are sent to your browser in an HTTP header. Although status codes are returned whenever your browser requests a web page or resource, most of the time they are not displayed.
Usually your browser only displays one error message. This is how the waiter says: “Something is wrong. Here is the code explaining what went wrong. “
If you would like to view status codes that your browser normally does not display, there are many different tools that will make it easier for you. Browser extensions are available for developer-friendly platforms like Chrome and Firefox, and there are many web-based header recovery tools like Web Sniffer.
To prTo inspect the HTTP status codes using any of these tools, look for the line at the top of the report that says Status: HTTP / 1.1. This is followed by the status code returned by the server.
Part of the body
Note. This status code needs to be specified more precisely. TOat the moment this is for discussion only.
Like the answer found, this indicates that the client is trying to use a different network.Address. In this case, another method can be used instead of GET.
The body section contains the parameters used for the method. ThisAllows a document to be a pointer to a complex query operation.
The following additional fields can be placed before the textas noted.