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Subject: search.filters.subject.NIDS/NIPS

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    A FPGA-based deep packet inspection engine for network intrusion detection system
    (2012-10-02)
    Thinh, Tran Ngoc
    ;
    Hieu, Tran Trung
    ;
    Dung, Van Quoc
    ;
    Kittitornkun, Surin
    Pattern matching has became a bottleneck of software based Network Intrusion Detection System (NIDS) as the number of signature have recently increased dramatically. Many FPGA-based architectures for detecting malicious patterns have been proposed recently. However, these approaches have just considered matching pattern separately while more and more complex combination of several patterns are utilized to describe intrusion activities. In this paper we present our work which concentrates on multi-pattern signature and propose a FPGA-based deep packet inspection engine for NIDS. The system can support both static and dynamic patterns. We employ Snort signature set and realize our system on NetFPGA platform. The evaluation on real network environment shows that our system can maintain gigabit line rate throughput without dropping packets. © 2012 IEEE.
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    Massively parallel cuckoo pattern matching applied for NIDS/NIPS
    (2010-05-21)
    Thinh, Tran Ngoc
    ;
    Kittitornkun, Surin
    This paper describes a Cuckoo-based Pattern Matching (CPM) engine based on a recently developed hashing algorithm called Cuckoo Hashing. We implement the improved parallel Cuckoo Hashing suitable for hardware-based multi-pattern matching with arbitrary length. CPM can rapidly update the static pattern set without reconfiguration while consuming the lowest amount of hardware. With the power of massively parallel processing, the speedup of CPM is up to 128X as compared with serial Cuckoo implementation. Compared to other hardware systems, CPM is far better in performance and saves 30% of the area. © 2010 IEEE.
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    PAMELA: Pattern matching engine with Limited-time updAte for NIDS/NIPS
    (2009-01-01)
    Thinh, Tran Ngoc
    ;
    Kittitornkun, Surin
    ;
    Tomiyama, Shigenori
    Several hardware-based pattern matching engines for network intrusion/prevention detection systems (NIDS/NIPSs) can achieve high throughput with less hardware resources. However, their flexibility to update new patterns is limited and still challenging. This paper describes a PAttern Matching Engine with Limited-time updAte (PAMELA) engine using a recently proposed hashing algorithm called Cuckoo Hashing. PAMELA features on-the-fly pattern updates without reconfiguration, more efficient hardware utilization, and higher performance compared with other works. First, we implement the improved parallel exact pattern matching with arbitrary length based on Cuckoo Hashing and linkedlist technique. Second, while PAMELA is being updated with new attack patterns, both stack and FIFO are utilized to bound insertion time due to the drawback of Cuckoo Hashing and to avoid interruption of input data stream. Third, we extend the system for multi-character processing to achieve higher throughput. Our engine can accommodate the latest Snort rule-set, an open source NIDS/NIPS, and achieve the throughput up to 8.8 Gigabit per second while consuming the lowest amount of hardware. Compared to other approaches, ours is far more efficient than any other implemented on Xilinx FPGA architectures. Copyright © 2009 The Institute of Electronics, Information and Communication Engineers.