简单的通过referer判断
location ~ .*\.(gif|jpg|jpeg|png|bmp|wma|mp3|swf)$ {
valid_referers none blocked server_names *.163.com 163.com baidu.com;
if ($invalid_referer) {return 403;}
expires 30d;
}
location ~ .*\.(gif|jpg|jpeg|png|bmp|wma|mp3|swf)$ {
valid_referers none blocked server_names *.163.com 163.com baidu.com;
if ($invalid_referer) {return 403;}
expires 30d;
}