Patent ID: 8347368
Filing Date: 2013-01-01
Classification: G06F,H04L

Abstract:
1. A user validation apparatus comprising: an extraction device which extracts user-agent information set by default in an HTTP header of a packet received from a terminal device, and extracts an access source IP address from the packet, by applying HTTP as a protocol of an application layer and IP as a protocol of an Internet layer; an information management device which stores the access source IP address and the user-agent information extracted by the extraction device from the packet received from the terminal device, which is operated by an individual user, in a storage device so as to correspond to user identification information of the individual user; and a determination device which determines whether or not a user operating a given terminal device is a valid user by verifying the access source IP address and user-agent information extracted by the extraction device from the packet received from the given terminal device against the access source IP address and user-agent information which are stored in the storage device so as to correspond to user identification information of the user operating the given terminal device, and by determining whether or not the access source IP address and the user-agent information extracted from the packet received from the given terminal device correspond to the access source IP address and the user-agent information which are stored in the storage device, wherein