Nginx 配置默认虚拟主机

为什么要配置默认的虚拟主机：http://www.cnblogs.com/pzk7788/p/7039496.html

[[email protected] ~]# vim /usr/local/nginx/conf/vhosts/default.conf
server {
    listen 80 default_server;
    server_name localhost;
    index index.html index.htm index.php;
    root /tmp/1233;
    deny all;
}

[[email protected]ost ~]# mkdir /tmp/1233