HARDWARE ENGINE FOR HIGH-CAPACITY PACKET PROCESSING OF NETWORK BASED DATA LOSS PREVENTION APPLIANCE
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United States of America Patent
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Issued Date -
Apr 10, 2014
app pub date -
Oct 8, 2013
filing date -
Oct 9, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a network-based data loss prevention (DLP) system. The network-based DLP system includes a FPGA engine including a pattern matcher and a MCP engine including a session list filter. The a pattern matcher hash-processes a payload of an input packet in units of a certain size, compares a pre-stored pattern and the hash-processed packet, checks a matching rule ID and an upload channel ID corresponding to the pre-stored pattern when there is a match therebetween, adds tagging information to a header of the input packet, and outputs the packet. The session list filter receives the packet with the tagging information added thereto, and performs pre-registered processing on the pre-registered session, or passes the received packet. The processor uploads, forwards, or drops the received packet in correspondence with the matching rule ID.
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