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LISA 2000 Abstract

Combining Cisco NetFlow Exports with Relational Database Technology for Usage Statistics, Intrusion Detection, and Network Forensics

Bill Nickless, John-Paul Navarro, and Linda Winkler, Argonne National Laboratory


Argonne National Laboratory operates a complex internal network with a large number of external network peerings. A requirement of this network is that it be monitored with minimal impact on traffic. Cisco NetFlow technology provides the information necessary to monitor such a network, but the data from NetFlow must be captured and analyzed. We present a system that uses a high-powered relational database to manage the data. Our primary motivations in building this system were to learn whether or not database technology was an appropriate tool for this situation and to understand what types of questions about the network could be answered with such a system.

This work was supported by the Mathematical, Information, and Computational Sciences Division subprogram of the Office of Advanced Scientific Computing Research, U.S. Department of Energy, under Contract W-31-109-Eng-38.

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Last changed: 16 Jan. 2002 ml
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