5G AUTHENTICATION SERVER FOR 5G NON PUBLIC NETWORK CONNECTION CONTROL METHOD OF THE NETWORK CONNECTION CONTROL AND CONNECTION METHOD OF TERMINAL

摘要

An authentication server for controlling access to a non-public network, an access control method, and a terminal access method are provided. The authentication server includes a PLMN interface connected to a plurality of different PLMNs (Public Land Mobile Network), an NPN interface connected to a plurality of different NPNs (NON-PUBLIC NETWORK), a memory for storing a program, and a processor for executing the program including, wherein the program receives a certificate issuance request from a terminal through any PLMN among the plurality of PLMNs, transmits a user authentication request to an NPN corresponding to a domain included in the certificate issuance request, and authenticates the user from the NPN When a response is received, it includes instructions for generating a certificate and transmitting it to the terminal, and the certificate is stored in the terminal and used to authenticate to access the NPN.