System for providing a real-time attacking connection traceback using a packet watermark insertion technique and method therefor
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United States of America Patent
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Issued Date -
Mar 11, 2004
app pub date -
Dec 24, 2002
filing date -
Sep 6, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a system for providing a real-time attacking connection traceback, an intrusion detection unit detects a hacker's attack. A packet block unit blocks a response of an attacked system. A path block tracing unit generates a policy to block a specific packet, collects a response packet, inserts the generated watermark in the packet, transmits the watermark-inserted packet to a system and forms a traceback path. A watermark detection unit checks a received/transmitted packet in a network, extracts a corresponding watermark if there exists the watermark-inserted packet and transmits the watermark-inserted packet detection information to an attacking connection traceback system that initially inserted a watermark into a packet.
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