Packet-level open-digest fingerprinting for spam detection on middleboxes
This paper proposes a stateless open-digest spam fingerprinting at the packet level (layer 3) based on an open-digest fingerprinting algorithm Nilsimsa. Spam emails show several characteristics when viewed at gateway level, which are suitable for spam fingerprinting: (a) content invariance and (b) r...
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John Wiley & Sons, Ltd.
2011
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