The IP usage of the Apache virtual host includes IIS

Today finally understand the Apache virtual host <virtualhost *:80> IP is what to do.

I did not know that the server can have multiple public IP, today only know that the server's public IP can be added.

For example, a server has more than one site, but want to implement each domain name corresponding IP is different, then you can add IP in the server, and then the Apache virtual host configuration IP is assigned to this IP;

For example, the server has 1.1.1.1,1.1.1.2,1.1.1.3 three public network IP, want to implement www.1.com use 1.1.1.1 this IP, then <virtualhost 1.1.1.1:80> here should fill in the corresponding IP, Of course, domain name resolution IP also fill in this IP, and so on. If the <virtualhost *:80> *, then the server is automatically assigned to the domain name resolution of the IP prevail. If the domain name resolution IP is inconsistent with the virtual host IP here, such as www.1.com resolution to 1.1.1.2IP, but the server Apache configuration is <virtualhost 1.1.1.1:80> then the site will not open, if < VirtualHost *:80> is *, automatically assigned (Domain name resolution IP) 1.1.1.2.

The same is true for IIS:

Summary: No special requirements of the site, are <virtualhost *:80>.

Specify IP unless you want to assign it to this IP, not the case. If you want to implement multiple sites on the same server IP is different, you need to add IP and the corresponding domain name resolution.

The IP usage of the Apache virtual host includes IIS