lighttpd yardım?

RewriteEngine on
############# Force www access ###################
RewriteCond %{HTTP_HOST} ^www.site.net$
RewriteRule ^(.*) http://www.site.net/$1  [QSA,L,R=301]

############# Restrict use of images #############
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://www.site.net/.*$      [NC]
RewriteCond %{HTTP_REFERER} !^http://www.site.net$      [NC]
RewriteRule .*\.(.*gif|bmp|png|jpe?g|mp3)$ - [F,NC]