| 摘要 |
A communication control system 1 according to the present invention is provided with a home agent apparatus 10 , a plurality of firewall devices 20 - 40 , and a mobile station 50 . When the mobile station 50 is connected, for example, to the firewall device 20 , the firewall device 20 receives identification information and a configuration file of the mobile station 50 from the home agent apparatus 10 and constructs a firewall for the mobile station 50 , using the configuration file. When the firewall device 20 receives an IP packet, it selects a firewall suitable for the mobile station 50 being a destination of the packet and determines the propriety of passage thereof according to a filtering condition set in this firewall.
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