Proof-of-Work Mitigation Strategy for DNS-Based
Amplification Attacks
Name
bansal-ubansal-meng-eecs-2025-thesis.pdf
Description
Thesis PDF
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956.25 KB
Format
Adobe PDF
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eb2630c66a7a345857646035f8f2bf3c
Author(s)
Bansal, Umang
Advisor(s)
Sollins, Karen R.
Date Issued
May 2025
Publisher
Massachusetts Institute of Technology
Abstract
Distributed Denial of Service attacks, and particularly DNS Amplification attacks, have seen a steady rise in deployment over the past few decades. DNS Amplification attacks, in particular, are challenging to identify and mitigate because of their apparent similarity to legitimate DNS traffic. This thesis proposes a new Proof-of-Work mitigation strategy that provides a defense against DNS Amplification attacks and shifts the burden of mitigation to the attackers. Through our experiments, we show that our Proof-of-Work strategy is effective in reversing the impact of DNS Amplification attacks on the victim’s ability to service legitimate clients. We also provide an evaluation framework to evaluate the mitigation strategy’s impact on the victim’s quality of service.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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