What does 405 error mean?

405 error means "Method Not Allowed", that is, the method is not allowed, which means that the method specified in the request line is not allowed to be used for the resource identified by the request. A 405 error usually means that the request sent by the client (such as a browser) uses a request method that is not supported by the server; for example, if the client sends a request to the server using the POST method, but the server only allows access to the resource using the GET method , then the server may return a 405 error.

The operating environment of this tutorial: Windows 10 system, Dell G3 computer.

What does the 405 error mean

A 405 error code indicates that the resource is prohibited. For the resource identified by the request, the method specified in the request line is not allowed to be used.

405 is a status code in the HTTP protocol, which means "Method Not Allowed", that is, the method is not allowed. This usually means that the client (such as a browser) sent a request using a request method that is not supported by the server.

For example, if the client sends a request to the server using the "POST" method, but the server only allows access to the resource using the "GET" method, the server may return a 405 error.

If you receive a 405 error, you can try changing the request method, or contact the server administrator for more information.

What are the possible reasons for the 405 error?

① A 302 jump occurs in the POST request. When the 302 jump occurs, the request method will be changed. At this time, the server may not be able to If identified, a 405 error will be reported.

②Request the server to directly verify the Method, and the corresponding Response Header will have the information "Allow =GET".

③When forwarding on load balancing or Web Server, the request Method is modified and the backend cannot recognize it.

What are the solutions to the 405 error?

1. Check whether the correct URL has been entered

405 The most common cause of Method Not Allowed errors is entering the wrong URL. Most web servers are heavily protected and designed to disable access to incorrect URLs to prevent users from accessing the wrong pages.

2. Confirm your server configuration

Check whether there are any unintentional processing instructions in the configuration file of the web server software, which may help determine the root cause of the 405 Method Not Allowed error.

3. Check your database

If you still suspect that a plugin or theme is the cause of the 405 Method Not Allowed error, then directly checking your database is your best course of action. To do this, you need to open your site's database and manually view the tables and records modified by the extension.

4. Uninstall new plug-ins and themes

Uninstalling some plug-ins or themes can help fix the 405 Method Not Allowed error. After uninstalling each one, check your website to see if the error has been resolved. This process may take some time to complete, but it will allow you to pinpoint exactly which plugin is causing the problem.

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