| 摘要 |
<p>Embedded hardware of the present invention is optimized to perform packet or cell filter function by receiving packet or cell from the external and internal network, network address conversion function, and access control function and TCP connecting control function. A general-purpose computer coupled with the embedded hardware via the PCI interface executes various functions as a firewall of certification etc. for user under the general Windows operation system as an application program. In accordance with the present invention, packet or cell filter function, etc. which is the essential function of the firewall adopts to copes with the speed of the network communication becoming more and more fast with high speed process in the embedded hardware, and to carry out various functions corresponding to the standards approved by the government so that expansion of functions and diversity can be obtained.</p> |
