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When I changed careers, I wanted to bring meaning to my new assignments. Because I felt the need to consider the end user first, I took the Opquast training and then the certification. Thanks to what I learned, I succeeded in my interviews and convinced those who became my team. Opquast gave me the keys to understand quality, but also to find missions that make sense.
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Rule n° 206 - The headers sent by the server disable automatic detection of each resource’s MIME type.

No, MIME has nothing to do with Marcel Marceau, it's just an identifier for specifying the data format on the Internet. Automatic detection of this format can enable the sending of harmful content to the user computers. Insofar as this automatic detection is not vital, disable it.

#Development #Security

Goal

Reduce the risk of downloading dangerous hidden content.

Solution technique

Configure the server to address the X-Content-Type-Options header with the value nosniff.

Moyen de contrôle

Using an HTTP header inspection tool, check that the X-Content-Type-Options header is present with the value nosniff.