Abstract: An authorized access list generation method including: at least one network service providing device registering for an authorized access list notification service with a server, the authorized access list including at least one authorization related record of at least one legitimate user device; the legitimate user device outputting a user ID to the server to log into the server, and directly sending an access request to a target network service provider after logging into the server, and continuing to provide an IP address being used and a device ID to the server to update a corresponding authorization related record; and the target network service providing device comparing the IP address, stored in each authorization related record of the authorized access list, with the IP address of a user device issuing an access request, and rejecting the access request if no matched result is found.

Abstract: An authorized access list generation method including: at least one network service providing device registering for an authorized access list notification service with a server, the authorized access list including at least one authorization related record of at least one legitimate user device; the legitimate user device outputting a user ID to the server to log into the server, and directly sending an access request to a target network service provider after logging into the server, and continuing to provide an IP address being used and a device ID to the server to update a corresponding authorization related record; and the target network service providing device comparing the IP address, stored in each authorization related record of the authorized access list, with the IP address of a user device issuing an access request, and rejecting the access request if no matched result is found.

Abstract: A peer-to-peer system and a method of file streaming therein are disclosed. The peer-to-peer system includes a first electronic device connected to second and third electronic devices via a first network connection. The second and the third electronic devices are connected to each other via a second network connection, wherein a file is transmitted from one of the second and the third electronic devices to the other one of the second and the third electronic devices through the second network connection.

Abstract: A peer-to-peer system and a method of file streaming therein are disclosed. The peer-to-peer system includes a first electronic device connected to second and third electronic devices via a first network connection. The second and the third electronic devices are connected to each other via a second network connection, wherein a file is transmitted from one of the second and the third electronic devices to the other one of the second and the third electronic devices through the second network connection.