Networking

Automatic Application Signature Construction From Unknown Traffic

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Executive Summary

Identifying applications and classifying network traffic flows according to their source applications are critical for a broad range of network activities. Such classifications can be based on information derived from packet header fields and payload content, or statistical characteristics of flows and communication patterns of hosts. However, most of present methods rely on some forms of prior knowledge. In this paper, an application signature based traffic classification system with a novel approach to fully automate the process of deriving signatures from unknown traffic is proposed.

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