Patent ID: 8677469
Filing Date: 2014-03-18
Classification: H04L

Abstract:
1. A firewall device, comprising: a transceiver receiving data transmitted from a source device; a filtering object identifying portion identifying received data including filtering object data; a filtering processor; and a filtering execution/inexecution selector but otherwise executing filtering of the received data by the filtering processor to filter the filtering object data included in the received data, and wherein the filtering execution/inexecution selector comprises an authentication result holder, a filtering selection requesting portion, and a filtering selector; the authentication result holder holds an authentication result of the source device; the filtering selection requesting portion transmits to the source device of the received data the selection request of the filtering execution or filtering inexecution of the received data; and the filtering selector does not execute filtering of the received data including the filtering object data from the source device when the response from the source device to the selection request indicates filtering inexecution and the source device is authenticated in the authentication result, but otherwise executes filtering of received data including the filtering object data.