SD-MDN-TM:针对 IP 欺骗的 DDoS 攻击的回溯和缓解集成机制

IF 4.4 2区 计算机科学 Q1 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE
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引用次数: 0

摘要

与传统的缓解方法相比,回溯法在对付使用 IP 欺骗的 DDoS 攻击时非常有吸引力,因为攻击需要在攻击者附近清除,从而尽可能减少对合法流量的影响。已有一些方法专门用于实现有效的回溯。但是,现有方法通常会修改协议以适用于多域场景,而且实施的缓解措施通常落后于回溯。因此,本文提出了软件定义的多域网络跟踪和缓解器(SD-MDN-TM),用于在多域 SDN 场景中跟踪和缓解带有 IP 欺骗的 DDoS 攻击。我们采用基于 Count-Min Sketch 数据结构的系统采样和流量特征提取技术,对大规模 DDoS 攻击流量进行轻量级统计收集。我们还设计了 TracebackTree 数据结构,用于构建分布式攻击源的攻击者回溯路径。提出了边界交换触发机制,克服了跨域回溯信息传递中常用的数据包标记的弊端,实现了对现有网络协议的不修改和多域间的独立回溯。缓解措施与回溯相结合,可更快地清除网络中的攻击。所提方案通过构建回溯路径,可准确有效地回溯域内外的 DDoS 攻击源。该方案无需修改现有协议即可实现,因此可直接应用于现有网络架构。此外,域外攻击源的回溯可在多域场景中保持独立性。与回溯相结合的缓解措施可以减少对合法流量的影响,并更快地将攻击从网络中清除。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
SD-MDN-TM: A traceback and mitigation integrated mechanism against DDoS attacks with IP spoofing

Traceback has been very attractive against DDoS attacks with IP spoofing instead of traditional mitigation methods because attacks require removal near attackers, resulting in affecting legitimate traffic as little as possible. There have been some approaches dedicated to achieving effective traceback. However, existing approaches often modify protocols to apply to multi-domain scenarios, and the implemented mitigation usually lags behind traceback. Therefore, this paper proposes the Software-Defined Multi-Domain Network Tracer and Mitigator (SD-MDN-TM) to traceback and mitigate DDoS attacks with IP spoofing in multi-domain SDN scenarios. We apply systematic sampling and flow feature extraction based on the Count-Min Sketch data structure for the lightweight statistics collection of massive DDoS attack traffic. We also design the TracebackTree data structure to construct the traceback paths of attackers of distributed attack sources. The Border Switch Trigger Mechanism is proposed to overcome the drawbacks of the commonly-used packet marking in cross-domain traceback information transfer, achieving no modification of existing network protocols and independent traceback among multiple domains. Mitigation is integrated with traceback for faster removal of attacks from the network. The proposed scheme can traceback DDoS attack sources both inside and outside domains accurately and effectively by constructing traceback path. It can be implemented without modifying the existing protocols, therefore achieving direct application to the existing network architecture. Furthermore, the traceback of attack sources outside domains can maintain independence in multi-domain scenarios. Mitigation integrated with traceback can achieve less impact on legitimate traffic and faster removal of attacks from the network.

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来源期刊
Computer Networks
Computer Networks 工程技术-电信学
CiteScore
10.80
自引率
3.60%
发文量
434
审稿时长
8.6 months
期刊介绍: Computer Networks is an international, archival journal providing a publication vehicle for complete coverage of all topics of interest to those involved in the computer communications networking area. The audience includes researchers, managers and operators of networks as well as designers and implementors. The Editorial Board will consider any material for publication that is of interest to those groups.
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