Abstract: Disclosed are an Internet access management service server that can manage Internet access for electronic terminals through setting of scheduling rules for Internet use restriction and the operating method thereof to support an administrator to more easily perform Internet use restriction setting for the electronic terminal.

Abstract: A task management service server capable performing task management for an electronic terminal and the operating method thereof are provided to support an administrator to more easily perform task setting and management for an electronic terminal on a predetermined person to be managed.

Abstract: Disclosed are an electronic terminal device and the operating method thereof which limit the use of the Internet and applications of the electronic terminal device based on a predetermined first scheduling rule for limiting the use of the Internet and applications set in the electronic terminal device, but when the electronic terminal device accesses a router device in which a predetermined second scheduling rule is set, provide a technique for limiting Internet use through the router device to prevent a user of the electronic terminal device from using the Internet and applications indiscriminately.

Abstract: Disclosed are a service server capable of performing Internet access management services according to grades and the operating method thereof, which when a request for permission to access a web page is received from a client terminal, confirm an access authority degree set in the client terminal based on unique identification information of the client terminal, determine whether the client terminal is a terminal having an authority capable of accessing the web page based on access authority degree, and control whether the client terminal accesses the web page based on a determination result.

Abstract: Disclosed are a notification service server and an operating method thereof. The present invention presents a notification service server capable of providing an access notification service to harmful sites and an operating method thereof to support a manager to prevent a client terminal from accessing a harmful site.

Abstract: Disclosed are an Internet access management service sever and an operating method thereof. The present invention presents an Internet access management service server capable of providing an Internet access management service based on terminal grouping and an operating method thereof to support a manager to more conveniently and efficiently perform Internet access management for grouped terminals.