How to realize the Prevention of php backdoor URL

This article introduces the relevant knowledge of "how to achieve the prevention of php backdoor URL". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

For example, the following WEB application may display sensitive information to logged-in users:

The copy code is as follows:

Because sensitive.php is located in the home directory of the website, the browser can skip the authentication mechanism to access the file directly. This is because all files in the home directory of the site have a corresponding URL address. In some cases, these scripts may perform an important operation, which increases the risk.

To prevent backdoor URL, you need to make sure that all included files are saved outside the site's home directory. All files saved in the home directory of the site must be accessed directly through URL.

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