Name: Safe Request Methods
Version: 1.1
Description: Denies any request not using <a href="/online-tools/request-method-scanner/">GET,PROPFIND,POST,OPTIONS,PUT,HEAD</a>..
Rules: 
RewriteCond %{REQUEST_METHOD} !^(GET|HEAD|POST|PROPFIND|OPTIONS|PUT)$ [NC]
RewriteRule .* - [F,NS,L]