This is a small .htaccess firewall to protect your site from hackers:
RewriteEngine On
Options +FollowSymLinks
ServerSignature Off
RewriteCond %{REQUEST_METHOD} ^(HEAD|TRACE|DELETE|TRACK) [NC,OR]
RewriteCond %{HTTP_REFERER} ^(.*)(<|>|'|%0A|%0D|%27|%3C|%3E|%00).* [NC,OR]
RewriteCond...