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US Patent 5905859 - Managed network device security method and apparatus
US Patent Issued on May 18, 1999
Estimated Patent Expiration Date:
January 9, 2017Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
January 9, 2017Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractAn apparatus and method for providing security against intrusion in the managed devices of a campus LAN network is provided. A managed hub discovers each interconnect device in the network that supports the security feature and maintains an interconnect device list of such devices, which may include token ring switches, Ethernet switches, bridges and routers. The managed hub detects an intrusion by an unauthorized address on one of its ports and notifies the interconnect devices of the intrusion by transmitting a security breach detected frame. After each interconnect device sets a filter on its respective ports against the intruding unauthorized address and sends a filter set frame to the managed hub, the port in the managed hub where the security intrusion occurred is reenabled. | InventorsApplicationNo. 775536 filed on 01/09/1997ExaminersPrimary: Beausoliel, Robert W. Jr.Assistant: Baderman, Scott Attorney, Agent or FirmUS Patent References4930159, Netbios name authenticationIssued on: 05/29/1990 Inventor: Kravitz, et al.5177788, Network message security method and apparatus Issued on: 01/05/1993 Inventor: Schanning, et al.5305385, Network message security method and apparatus Issued on: 04/19/1994 Inventor: Schanning, et al.5311593, Security system for a network concentrator Issued on: 05/10/1994 Inventor: Carmi5337309, Port arrival identification for computer network packets Issued on: 08/09/1994 Inventor: Faulk, Jr.5414833, Network security system and method using a parallel finite state machine adaptive active monitor and responder Issued on: 05/09/1995 Inventor: Hershey, et al.5421024, Detection of a relative location of a network device using a multicast packet processed only by hubs Issued on: 05/30/1995 Inventor: Faulk, Jr., et al.5440723, Automatic immune system for computers and computer networks Issued on: 08/08/1995 Inventor: Arnold, et al.5495580, Ring network security system with encoding of data entering a subnetwork and decoding of data leaving a subnetwork Issued on: 02/27/1996 Inventor: Osman5537099, Receiving port security in a network concentrator Issued on: 07/16/1996 Inventor: Liang5606668, System for securing inbound and outbound data packet flow in a computer network Issued on: 02/25/1997 Inventor: Shwed5615340, Network interfacing apparatus and method using repeater and cascade interface with scrambling Issued on: 03/25/1997 Inventor: Dai, et al.5727146Source address security for both training and non-training packets Issued on: 03/10/1998 Inventor: Savoldi, et al. International ClassG06F 11//00 |
