nginx 防盗链

    server {
        listen       80;
        server_name  www.zhishaofei.com;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
            root   html;
            index  index.html index.htm;
        }

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        location ~ .*.(html|htm|gif|jpg|jpeg|png|ico|txt|js|css|swf|flv)$ {
            valid_referers none blocked *.zhishaofei.com;
            if ($invalid_referer) {
                return 403; 
            }
            expires     30d;
        }

}