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.