Network Performance and Network Intrusion Detection Systems

Provided by: Science & Engineering Research Support soCiety (SERSC)
Topic: Security
Format: PDF
In this paper the authors investigate the potential impact an Ethernet bridge based Network Intrusion Detection System (NIDS) would have upon network performance. Three operating systems (OpenBSD, FreeBSD and Linux) were used to test three bridges. The impact of these bridges on network performance while running a NIDS Snort in various modes of data capture was evaluated. The results from this paper reveal that an operating system bridge supporting a network intrusion detection systems sensor will have a significant impact upon network performance.

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