图片防盗链

Nginx 最全操作总结 https://mp.weixin.qq.com/s/LmtHTOVOvdcnMBuxv7a9_A

 server {
    listen       80;
    server_name  *.test;

    # 图片防盗链
    location ~* \.(gif|jpg|jpeg|png|bmp|swf)$ {
        valid_referers none blocked server_names ~\.google\. ~\.baidu\. *.qq.com;  # 只允许本机 IP 外链引用，将百度和谷歌也加入白名单有利于 SEO
        if ($invalid_referer){
            return 403;
        }
    }
}