Description: X-Content-Options is an HTTP header used to control how browsers handle the content of a web page. Its primary function is to prevent ‘MIME type sniffing’ attacks, which is a technique some browsers use to determine the content type of a file, even if the server does not specify it correctly. By setting this header, developers can instruct browsers to treat the content in a specific way, helping to mitigate security risks. This header can have two values: ‘nosniff’, which indicates that the browser should not attempt to guess the content type, and ‘none’, which allows the browser’s default behavior. Implementing X-Content-Options is a security best practice, as it helps protect web applications from executing malicious content that could be misinterpreted by the browser. In an environment where cyber threats are becoming increasingly sophisticated, the use of this header has become essential for maintaining the integrity and security of web applications.
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