Patent ID: 8745719

Claim:
A communication control apparatus for implementing transmission and reception of data to and from a plurality of firewall devices connectible to a mobile station, the communication control apparatus comprising: a memory configured to store firewall configuration information suitable for the mobile station, in correspondence with identification information of the mobile station; circuitry configured to detect a first firewall device of the plurality of firewall devices connected to the mobile station, wherein the communication control apparatus, the mobile station, and each of the plurality of firewall devices are separate and distinct stand-alone devices, and the circuitry is configured to receive a binding update packet from the mobile station, the binding update packet indicating that the mobile station has moved and is now connected to a second firewall device; and a communication interface configured to transmit, in response to the detection of the second firewall device connected to the mobile station, a request for forwarding the firewall configuration information corresponding to the identification information of the mobile station to the first firewall device to which the mobile station was previously connected, wherein the request for forwarding the firewall configuration information includes information requesting that the first firewall device forward the firewall configuration information to the communication control apparatus or information requesting that the first firewall device forward the firewall configuration information to the second firewall device.