基于端口常用于内部网站，不对外开发的网站
[root@Nagios-Server extra]# vim ../httpd.conf
Listen 80
Listen 8000
Listen 9000
[root@Nagios-Server extra]# vimhttpd-vhosts.conf
NameVirtualHost *:80
NameVirtualHost *:8000
NameVirtualHost *:9000
<VirtualHost *:80>
ServerAdmin 291406980@qq.com DocumentRoot "/var/www/html/www" ServerName www.etiantian.org ServerAlias etiantian.org
ErrorLog "logs/www-error_log"
CustomLog "logs/www-access_log" common
<VirtualHost *:8000>
ServerAdmin 291406980@qq.com DocumentRoot "/var/www/html/blog" ServerName blog.etiantian.org ServerAlias blog.org
ErrorLog "logs/blog-error_log"
CustomLog "logs/blog-access_log" common
</VirtualHost>
<VirtualHost *:9000>
ServerAdmin 291406980@qq.com DocumentRoot "/var/www/html/bbs" ServerName bbs.etiantian.org ServerAlias etiantian.org
ErrorLog "logs/bbs-error_log"
CustomLog "logs/bbs-access_log" common
</VirtualHost>