Patent ID: 8612540
Filing Date: 2013-12-17
Classification: G06F,H04L,H04W

Abstract:
1. A wireless data card connected to a computer, the wireless data card comprising: a detecting module, configured to send a notification message after detecting a Domain Name System (DNS) resolution request sent by the computer and detecting that no user account information exists in the wireless data card; an executing module, configured to receive the notification message sent by the detecting module, to send prompt information to the computer so as to prompt a user to provide the user account information, and to write the user account information into the wireless data card so that the Internet is accessible through the computer via the wireless data card without installing any extra program beyond an operating system including a DNS program, a TCP program, a UDP program, and an IP program on the computer; an address allocating module, configured to allocate a private Internet Protocol (IP) address to the computer; an address translating module, configured to translate addresses between the private IP address and a public IP address of the computer; a Transport Control Protocol (TCP) module, configured to route the wireless data card so that the computer can access the Internet; and a storage unit, configured to store the user account information input by the user and preset default account information, wherein the default account information is used for logging in to a server of an operator of the wireless data card to obtain the user account information.