# ---------------------------------------------------------------------- # | Reducing MIME type security risks | # ---------------------------------------------------------------------- # Prevent some browsers from MIME-sniffing the response. # # This reduces exposure to drive-by download attacks and cross-origin # data leaks, and should be left uncommented, especially if the server # is serving user-uploaded content or content that could potentially be # treated as executable by the browser. # # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options # https://blogs.msdn.microsoft.com/ie/2008/07/02/ie8-security-part-v-comprehensive-protection/ # https://mimesniff.spec.whatwg.org/ add_header X-Content-Type-Options nosniff always;