修复nginx的path_info漏洞

server {
        listen       80;
        server_name  typengine.com;
 
        location / {
                root   /home/www/phpabc.cn;
                index  index.php index.html index.htm;
                autoindex on;
             }
 
        location ~ \.php$ {
            root           html;
            fastcgi_pass   127.0.0.1:9000;
            fastcgi_index  index.php;
if ( $fastcgi_script_name ~ \..*\/.*php ) {
    return 403;
}
            fastcgi_param  SCRIPT_FILENAME  /home/www/phpabc.cn$fastcgi_script_name;
            include        fastcgi_params;
        }
}