Prevent Image Hotlinking (IIS) Prevent other sites from using your images as their own.

Whitelist/Blacklist IP Addresses (IIS) Only allows requests from a specified set of IPs. Useful when a site is under development or maintenance.

Enforce Lower Case URLs (IIS) Force URLs to lowercase, especially important for SEO on Windows-based servers, which are case-insensitive.

Whitelist/Blacklist IP Addresses (Apache) Allow or deny requests based upon the requesting IP address. Useful when a site is under maintenance or to block repeat offenders.