Access control system and method using hierarchical arrangement

Details Access control system and method using hierarchical arrangement Access control system and method using hierarchical arrangement

1997-06-16

1999-11-30

Beausoliel, Jr., Robert W.

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Protection at a particular protocol layer

H04L 900

Patent

active

059960779

ABSTRACT:
A hierarchical arrangement of security devices for securing a protected network through a plurality of security devices having security rules of descending strictness. The system includes a first security device between two networks, and a second security device coupled to the first security device. A frame is processed by the first security device if the first security device's security policy allows processing. If there is insufficient information for the first security device, the first security device passes the frame to the second security device for processing. Additional security devices may be added in a hierarchical chain as necessary or desired. Passing-off may also be prevented to provide multi-level security within a protected network.

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