CompleteFTP Enterprise MFT supports what we call multiple sites. In CompleteFTP, a site is a related group of protocols listening on specific port numbers. A typical site might include HTTPS, FTPS and SFTP.
A common use for sites is to separate the internal network from the outside world. Typically, one site is configured for internal users, and another for external users, and the company firewall directs external users to the external site. This separation enables tighter security controls to be applied to external users without affecting internal users.