How to deny access to a file with a specific name regardless of the folder?

Question

linux

Let's say the site root /var/www/mysite contains subfolders.
What rule should be written in .htaccess to deny access to the myscript.php file, no matter what subfolder it is in?

Answer 1

RewriteRule ^.*/myscript\.php$ /404.php [L]

Answer 2

<Files myscript.php>
Redirect 404 /
</Files>