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Method and apparatus for setting up a firewall

  • US 20030115327A1
  • Filed: 11/06/2002
  • Published: 06/19/2003
  • Est. Priority Date: 03/16/2001
  • Status: Abandoned Application
First Claim
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1. A fire wall apparatus for preventing unauthorized external access to an internal network having a plurality of servers which are coupled to an external terminal via an external network, wherein each of the plurality of servers provides a service, comprising:

  • a data processing section for processing communication data which is transmitted from the external terminal and setting a communication path between at least one of the plurality of servers and the external terminal based on the communication data, wherein the communication data at least comprises an external address of the external terminal and user identification data for identifying a user of the external terminal; and

    a switching section for connecting the at least one server and the external terminal based on the communication path which is set by the data processing section, wherein the data processing section includes;

    a plurality of function sections; and

    a communication section for receiving at least the communication data and requesting the plurality of function sections to perform processing based on the contents of the data, wherein the plurality of function sections comprise;

    an authentication function section for authenticating the user identification data;

    a directory management function section for registering units of service information, where each unit of service information represents an internal address of one of the plurality of servers and a service type in association with predetermined permitted-recipient data designating an external user who is entitled to connecting to the server, and allowing a user who is given authentication by the authentication function section to select one of the units of service information whose permitted-recipient data designates the user; and

    a communication path setting function section for setting the communication path using the internal address of the server represented by the unit of service information selected by means of the directory management function section and the external address of the external terminal.

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