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ACCESS CONTROL DEVICE, AND ACCESS CONTROL METHOD

  • US 20090254658A1
  • Filed: 12/05/2005
  • Published: 10/08/2009
  • Est. Priority Date: 12/22/2004
  • Status: Abandoned Application
First Claim
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1. An access control apparatus comprising:

  • a storage section that stores a host list indicating hosts, out of hosts in a first network, access to which is restricted or access to which is not restricted from a terminal in a second network;

    a reception section that receives a packet whose destination is set to a host in the first network from a terminal in the second network;

    a control section that controls, when the destination host of the received packet is registered in the host list, whether to transmit the packet to the host or discard the packet; and

    an updating section that acquires, when the destination host of the received packet is not registered in the host list, information as to whether or not access from the terminal to the host is permitted from outside and updates the host list.

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