Detecting unauthorized network communication

Details Detecting unauthorized network communication Detecting unauthorized network communication

1996-06-18

1998-08-25

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

370401, 39518701, 34082506, G05B 2302, G06F 1500, G06G 700

Patent

active

057987068

ABSTRACT:
Back door packet communication between a workstation on a network and a device outside the network is identified by detecting packets that are associated with communication involving devices outside the network, and identifying packets, among those detected packets, that are being sent or received by a device that is not authorized for communication with devices outside the network.

REFERENCES:
patent: 5414833 (1995-05-01), Hershey et al.
patent: 5479612 (1995-12-01), Kenton et al.
patent: 5537099 (1996-07-01), Liang
patent: 5550984 (1996-08-01), Gelb
patent: 5557742 (1996-09-01), Smaha et al.
patent: 5581559 (1996-12-01), Crayford et al.
patent: 5606668 (1997-02-01), Shwed
patent: 5623601 (1997-04-01), Vu

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