nginx防盗链

location ~* \.(gif|jpg|png|bmp)$ { 

 valid_referers none blocked *.aaaa.com server_names ~\.google\. ~\.baidu\.;

 if ($invalid_referer) {

 return 403; 

 # rewrite ^/ http://www.aaaa.com/403.jpg;

 } 

}

# 用(“|”)来分隔你想保护的文件的扩展名。

 valid_referers指令包含允许访问资源的网站列表，不在列表中请求的返回403.下面是valid_referers指令

none-匹配没有Referer的HTTP请求（Matches the requests with no Referer header）.

blocked –请求有Referer，但是被防火墙或者代理服务器修改，去掉了https://或http://(Matches the requests with blocked Referrer header)。*.mydomain.com-匹配mysite.com的所有二级域名（Matches all the sub domains of mydomain.com.Since v0.5.33,* wildcards can be userd in the server names）.