send_nosniff_header() │ WP 3.0.0

Sends a HTTP header to disable content type sniffing in browsers which support it.

No Hooks.

Returns

null. Nothing (null).

Usage

send_nosniff_header();

Notes

See: https://blogs.msdn.com/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx
See: https://src.chromium.org/viewvc/chrome?view=rev&revision=6985

Changelog

Since 3.0.0 Introduced.

send_nosniff_header() code WP 7.1

wp-includes/functions.php 
function send_nosniff_header() {
	header( 'X-Content-Type-Options: nosniff' );
}