Server configuration

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.example.com

# Other directives here ...

</VirtualHost>

<VirtualHost 172.20.30.50>
DocumentRoot /www/example2
ServerName www.example.org

# Other directives here ...

</VirtualHost>