System and method for intercepting and authenticating...

Details System and method for intercepting and authenticating... System and method for intercepting and authenticating...

2007-07-10

2007-07-10

Chin, Wellington (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S474000

Reexamination Certificate

active

10150499

ABSTRACT:
A system is described for analyzing and automatically recognizing content of packet streams intercepted over a communication link. The system comprises an interface and a packet stream analyzer. The interface is configured to receive packets over the communication link and assemble the received packets into one or more packet streams. The packet stream analyzer is configured to receive respective packet streams from said interface and analyze each packet stream to generate selected types of information regarding the packet stream. The packet stream analyzer comprises an analyzer module graph comprising a plurality of analyzer modules interconnected in a graph. Respective ones of the analyzer modules are configured to perform at least one analysis operation in connection with at least a portion of a packet stream provided thereto to determine the likelihood that the packet stream is of one of a plurality of predetermined types, and generate at least one selected type of information in relation thereto.

REFERENCES:
patent: 5905713 (1999-05-01), Anderson et al.
patent: 6678270 (2004-01-01), Garfinkel
patent: 6950447 (2005-09-01), Dieterich et al.

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