Active Countermeasure Platform against DDoS Attacks

Dai KASHIWA  Eric Y. CHEN  Hitoshi FUJI  Shuichi MACHIDA  Hiroshi SHIGENO  Ken-ichi OKADA  Yutaka MATSUSHITA  

IEICE TRANSACTIONS on Information and Systems   Vol.E85-D   No.12   pp.1918-1928
Publication Date: 2002/12/01
Online ISSN: 
Print ISSN: 0916-8532
Type of Manuscript: PAPER
Category: Applications of Information Security Techniques
DDoS attack,  traffic shaping,  active network,  policy-based shaping,  network architecture,  

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Distributed Denial of Service (DDoS) attacks are a pressing problem on the Internet as demonstrated by recent attacks on major e-commerce servers and ISPs. Since the attack is highly distributed, an effective solution must be formulated with a distributed approach. Recently, some solutions, in which intermediate network nodes filter or shape congested traffic, have been proposed. These solutions may decrease the congested traffic, but they still cause "collateral victims problem," that is, legitimate packets may be discarded mistakenly. In this paper, we propose Active Countermeasure Platform to minimize traffic congestion and to address the collateral victim problem using the Active Networks paradigm, which incorporates programmability into intermediate network nodes. Our platform can prevent overloading of the target and consuming the network bandwidth of both the backbone and the protected site autonomously. In addition, it can improve the collateral victim problem based on user policy. This paper shows the concept of our platform, system design and evaluation of the effectiveness using a prototype.