If you use Apache:
Edit your .htaccess or httpd.conf:
Options -Indexes
This disables directory listing entirely. Now, visiting /private-images/ returns a 403 Forbidden error. This is minimally better, but still not good—users see an error, not your images. parent directory index of private images better
If you use Nginx:
autoindex off;
The "Better" Approach: Instead of a 403 error, create a custom index.php or index.html that acts as a secure gateway. If you use Apache:
Edit your
The "Better" Mandate: A better system must never display a raw index of private images to an unauthorized user. This disables directory listing entirely
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