虚拟主机的配置  
(1)基于IP地址的虚拟主机配置  
Listen 80  
<VirtualHost 172.20.30.40>  
DocumentRoot /www/example1  
ServerName www.example1.com  
</VirtualHost>  
<VirtualHost 172.20.30.50>  
DocumentRoot /www/example2  
ServerName www.example2.org  
</VirtualHost>  
(2) 基于IP和多端口的虚拟主机配置  
Listen 172.20.30.40:80  
Listen 172.20.30.40:8080  
Listen 172.20.30.50:80  
Listen 172.20.30.50:8080  
<VirtualHost 172.20.30.40:80>  
DocumentRoot /www/example1-80  
ServerName www.example1.com  
</VirtualHost>  
<VirtualHost 172.20.30.40:8080>  
DocumentRoot /www/example1-8080  
ServerName www.example1.com  
</VirtualHost>  
<VirtualHost 172.20.30.50:80>  
DocumentRoot /www/example2-80  
ServerName www.example1.org  
</VirtualHost>  
<VirtualHost 172.20.30.50:8080>  
DocumentRoot /www/example2-8080  
ServerName www.example2.org  
</VirtualHost>  
(3)单个IP地址的服务器上基于域名的虚拟主机配置:  
# Ensure that Apache listens on port 80  
Listen 80  
# Listen for virtual host requests on all IP addresses  
NameVirtualHost *:80  
<VirtualHost *:80>  
DocumentRoot /www/example1  
ServerName www.example1.com  
ServerAlias example1.com. *.example1.com  
# Other directives here  
</VirtualHost>  
<VirtualHost *:80>  
DocumentRoot /www/example2  
ServerName www.example2.org  
# Other directives here  
</VirtualHost>  
(4)在多个IP地址的服务器上配置基于域名的虚拟主机:  
Listen 80  
# This is the "main" server running on 172.20.30.40  
ServerName server.domain.com  
DocumentRoot /www/mainserver  
# This is the other address  
NameVirtualHost 172.20.30.50  
<VirtualHost 172.20.30.50>  
DocumentRoot /www/example1  
ServerName www.example1.com  
# Other directives here ...  
</VirtualHost>  
<VirtualHost 172.20.30.50>  
DocumentRoot /www/example2  
ServerName www.example2.org  
# Other directives here ...  
</VirtualHost>  
(5)在不同的端口上运行不同的站点(基于多端口的服务器上配置基于域名的虚拟主机):  
Listen 80  
Listen 8080  
NameVirtualHost 172.20.30.40:80  
NameVirtualHost 172.20.30.40:8080  
<VirtualHost 172.20.30.40:80>  
ServerName www.example1.com  
DocumentRoot /www/domain-80  
</VirtualHost>  
<VirtualHost 172.20.30.40:8080>  
ServerName www.example1.com  
DocumentRoot /www/domain-8080  
</VirtualHost>  
<VirtualHost 172.20.30.40:80>  
ServerName www.example2.org  
DocumentRoot /www/otherdomain-80  
</VirtualHost>  
<VirtualHost 172.20.30.40:8080>  
ServerName www.example2.org  
DocumentRoot /www/otherdomain-8080  
</VirtualHost>  
(6)基于域名和基于IP的混合虚拟主机的配置:  
Listen 80  
NameVirtualHost 172.20.30.40  
<VirtualHost 172.20.30.40>  
DocumentRoot /www/example1  
ServerName www.example1.com  
</VirtualHost>  
<VirtualHost 172.20.30.40>  
DocumentRoot /www/example2  
ServerName www.example2.org  
</VirtualHost>  
<VirtualHost 172.20.30.40>  
DocumentRoot /www/example3  
ServerName www.example3.net  
</VirtualHost>