RewriteEngine on
RewriteCond %{HTTP_REFERER} !^$ [NC]
RewriteCond %{HTTP_REFERER} !^http://rupeng.com/.*$ [NC]
RewriteCond %{HTTP_REFERER} !^http://rupeng.com$ [NC]
RewriteCond %{HTTP_REFERER} !^http://www.rupeng.com/.*$ [NC]
RewriteCond %{HTTP_REFERER} !^http://www.rupeng.com$ [NC]
RewriteCond %{HTTP_REFERER} !^http://www.tinyosstudy.com/.*$ [NC]
RewriteCond %{HTTP_REFERER} !^http://www.tinyosstudy.com$ [NC]
RewriteRule .*.(jpg|jpeg|gif|png|bmp|rar|zip|exe|pdf|attach|chm)$ http://www.rupeng.com
一定要注意保存为Unix格式。有的版本的IE“另存为”发送的referer为空，所以加上第一行“RewriteCond %{HTTP_REFERER} !^$ [NC]”