Service level computer security

  • US 6,795,918 B1
  • Filed: 03/07/2000
  • Issued: 09/21/2004
  • Est. Priority Date: 03/07/2000
  • Status: Expired due to Fees
First Claim
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1. A method for filtering a plurality of data packets, the method comprising:

  • receiving a data packet from the plurality of the data packets, the received data packet having source, destination, and protocol information;

    extracting the source, destination, and protocol information from the received data packet;

    providing the extracted information to a non-user configurable decision block, the decision block including information on which services are authorized depending on the extracted information, the non-configurable decision block being substantially free from user adjustment;

    dropping the received data packet if the extracted information indicates a request for access to an unauthorized service; and

    permitting the received data packet to go through if the extracted information indicates a request for access to an authorized service, wherein the protocol information includes information about transport types.

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