System, device and method for network authorization based on no password or random password

Abstract

Disclosed are a system, device and method for network authorization based on no password or a random password, the device comprising: a memory having instructions stored thereon; at least one processor to execute the instructions to cause: obtaining information carried in a consult message by accessing a server, wherein the consult message is generated and sent to the server by a network access device upon reception of a connection establishment request message, and the consult message comprises network communication address information identifying uniquely the master control device and information of whether a terminal device is allowed to access a network; generating an instruction notification comprising instruction information according to user input information, wherein the instruction information comprises physical address information of the terminal device and information of whether allowing the terminal device to access the network; and sending the instruction notification so that the network access device, according to the instruction information, performing a network access operation upon determining that the terminal device is allowed to access the network, or performing a network access rejecting operation upon determining that the terminal device is prohibited to access the network.