RewriteCond %{REQUEST_METHOD} ^SEARCH
RewriteRule .* - [F]
RewriteCond %{REQUEST_FILENAME} /_?vti_.*/  [NC,OR]
RewriteCond %{REQUEST_FILENAME} /winnt/     [NC,OR]
RewriteCond %{REQUEST_FILENAME} /system32/  [NC,OR]
RewriteCond %{REQUEST_FILENAME} \.ida.*$    [NC,OR]
RewriteCond %{REQUEST_FILENAME} \.exe.*$    [NC,OR]
RewriteCond %{REQUEST_FILENAME} \.com.*$    [NC,OR]
RewriteCond %{REQUEST_FILENAME} \.dll.*$    [NC]
RewriteRule ^.*$ - [G]