A DRDoS Detection and Defense Method Based on Deep Forest in the Big Data Environment
2018
Distributed denial-of-service (DDoS) has developed multiple variants, one of which is distributed reflective denial-of-service (DRDoS). Within the increasing number of Internet-of-Things (IoT) devices, the threat of DRDoS attack is growing, and the damage of a DRDoS attack is more destructive than other types. Many existing methods for DRDoS cannot generalize early detection, which leads to heavy load or degradation of service when deployed at the final point. In this paper, we propose a DRDoS detection and defense method based on deep forest model (DDDF), and then we integrate differentiated service into defense model to filter out DRDoS attack flow. Firstly, from the statistics perspective on different stages of DRDoS attack flow in the big data environment, we extract a host-based DRDoS threat index (HDTI) from the network flow. Secondly, using the HDTI feature we build a DRDoS detection and defense model based on deep forest, which consists of 5 estimators in each layer. Lastly, the differentiated service procedure applies the detection result from DDDF to drop the identified attack flow in different stages and different detection points. Theoretical analysis and experiments show that the method we proposed can effectively identify DRDoS attack with higher detection rate and a lower false alarm rate, the defense model also shows distinguishing ability to effectively eliminate the DRDoS attack flow, and dramatically reduce the damage of DRDoS attack.
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