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7. Taiwan

Author

Lin, Yi-Yin, primary and Huang, Chin-Shan, additional

Published
2015
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15. Implementation of Packet Filter Configurations Anomaly Detection System with SIERRA.

Author

Sihan Qing, Wenbo Mao, Lopez, Javier, Guilin Wang, Yi Yin, Bhuvaneswaran, R. S., Katayama, Yoshiaki, and Takahashi, Naoshi

Abstract

Packet filtering in a firewall is one of the useful tools for network security. Packet filtering examines network packet and decides whether to accept, or deny it and this decision is determined by a packet filtering configuration developed by the network administrator. An administrator may find hard to understand and maintain a configuration, and this burden will furthermore be increased to find anomalies between two configurations, especially when the size of filters in a configuration increased. This difficulty may leave the administrator with less confidence that the configurations are correctly and completely implemented. This paper presents a system with SIERRA (A systolic filter sieve array) which can detect the anomalies between two configurations. It provides three functions, side-effects analysis function, equality judgment function, and composition analysis function. Experimental results show that the proposed system is suitable for small network and configurations with large number of filters. Keywords: Network security, Packet filtering, configuration, filter, anomaly detection. [ABSTRACT FROM AUTHOR]

Published
2005
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