Each Web site must have a unique combination of IP address, TCP port, and host header name. For example, if you configure physical servers or virtual servers, each Web site is assigned a unique IP address. Or, you could assign a common IP address to all Web sites on a single Internet Information Services server and configure a unique TCP port to each Web site. Still another option is to configure all Web sites with a common IP address and common TCP port, and then assign each site a unique host header. By doing this, you can host multiple Web sites on a single Internet Information Services server using a single IP address and TCP port.
Local Directory Creation in IIS 4
In Internet Information Server 4, you cannot create a local ...