Home gateway and Method for operating the same

PURPOSE: A home gateway and an operation method thereof are provided to connect the home information apparatuses to a home network for sharing one authenticated IP address, and to enable a user to manage a home information apparatus connected to the home network at the entrance of a home. CONSTITUTION: The home gateway comprises the first interface(10) for communicating with a home information apparatus connected to the home network, the second interface(20) for communicating with outer information apparatus connected to the Internet, and a controller(70). The controller connects to the Internet on system initialization, provides the information for the home information apparatus connected to the home network in case of occurring an access request from an outer information apparatus through the Internet, and requests an execution of function according to the requested control content in case of receiving the control request for a home information apparatus connected to the home network from the information apparatus. The controller includes an HG_DHCP server, an HG_DNS server and an application proxy server.