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Distributed denial-of-service (DDoS) attacks became one of the main Internet security problems over the last decade, threatening public web servers in particular. Although the DDoS mechanism is widely understood, its detection is a very hard task because of the similarities between normal traffic and useless packets, sent by compromised hosts to their victims. This work presents a lightweight method for DDoS attack detection based on traffic flow features, in which the extraction of such information is made with a very low overhead compared to traditional approaches. This is possible due to the use of the NOX platform which provides a programmatic interface to facilitate the handling of switch information. Other major contributions include the high rate of detection and very low rate of false alarms obtained by flow analysis using Self Organizing Maps.
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Braga et al. (Fri,) studied this question.
www.synapsesocial.com/papers/6a0db005e9dfe5e7c4ba68d7 — DOI: https://doi.org/10.1109/lcn.2010.5735752
Rodrigo Braga
Edjard Mota
Alexandre Passito
Universidade Federal do Amazonas
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