# ----------------------------------------------------------------------
# | Content Type Options                                               |
# ----------------------------------------------------------------------

# 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;