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Mitigating DNS DoS attacks

Published: 27 October 2008 Publication History

Abstract

This paper considers DoS attacks on DNS wherein attackers flood the nameservers of a zone to disrupt resolution of resource records belonging to the zone and consequently, any of its sub-zones. We propose a minor change in the caching behavior of DNS resolvers that can significantly alleviate the impact of such attacks. In our proposal, DNS resolvers do not completely evict cached resource records whose TTL has expired; rather, such resource records are stored in a separate "stale cache". If, during the resolution of a query, a resolver does not receive any response from the nameservers that are responsible for authoritatively answering the query, it can use the information stored in the stale cache to answer the query. In effect, the stale cache is the part of the global DNS database that has been accessed by the resolver and represents an insurance policy that the resolver uses only when the relevant DNS servers are unavailable. We analyze a 65-day DNS trace to quantify the benefits of a stale cache under different attack scenarios. Further, while the proposed change to DNS resolvers also changes DNS semantics, we argue that it does not adversely impact any of the fundamental DNS characteristics such as the autonomy of zone operators and hence, is a very simple and practical candidate for mitigating the impact of DoS attacks on DNS.

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Cited By

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  • (2024)TuDoor Attack: Systematically Exploring and Exploiting Logic Vulnerabilities in DNS Response Pre-processing with Malformed Packets2024 IEEE Symposium on Security and Privacy (SP)10.1109/SP54263.2024.00172(4459-4477)Online publication date: 19-May-2024
  • (2024)A comprehensive review of vulnerabilities and AI-enabled defense against DDoS attacks for securing cloud servicesComputer Science Review10.1016/j.cosrev.2024.10066153:COnline publication date: 1-Aug-2024
  • (2023)Optimizing DNS Resolvers for High Loads2023 IFIP Networking Conference (IFIP Networking)10.23919/IFIPNetworking57963.2023.10186425(1-9)Online publication date: 12-Jun-2023
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cover image ACM Conferences
CCS '08: Proceedings of the 15th ACM conference on Computer and communications security
October 2008
590 pages
ISBN:9781595938107
DOI:10.1145/1455770
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 27 October 2008

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Author Tags

  1. DNS
  2. denial of service
  3. stale cache

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CCS '08 Paper Acceptance Rate 51 of 280 submissions, 18%;
Overall Acceptance Rate 1,261 of 6,999 submissions, 18%

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Cited By

View all
  • (2024)TuDoor Attack: Systematically Exploring and Exploiting Logic Vulnerabilities in DNS Response Pre-processing with Malformed Packets2024 IEEE Symposium on Security and Privacy (SP)10.1109/SP54263.2024.00172(4459-4477)Online publication date: 19-May-2024
  • (2024)A comprehensive review of vulnerabilities and AI-enabled defense against DDoS attacks for securing cloud servicesComputer Science Review10.1016/j.cosrev.2024.10066153:COnline publication date: 1-Aug-2024
  • (2023)Optimizing DNS Resolvers for High Loads2023 IFIP Networking Conference (IFIP Networking)10.23919/IFIPNetworking57963.2023.10186425(1-9)Online publication date: 12-Jun-2023
  • (2022)Hotlist and stale content update mitigation in local databases for DNS flooding attacksTelecommunications Systems10.1007/s11235-022-00950-x81:3(417-430)Online publication date: 1-Nov-2022
  • (2021)Application Layer Denial-of-Service Attacks and Defense MechanismsACM Computing Surveys10.1145/344829154:4(1-33)Online publication date: 3-May-2021
  • (2021)B-DNS: A Secure and Efficient DNS Based on the Blockchain TechnologyIEEE Transactions on Network Science and Engineering10.1109/TNSE.2021.30687888:2(1674-1686)Online publication date: 1-Apr-2021
  • (2021)A wrinkle in time: a case study in DNS poisoningInternational Journal of Information Security10.1007/s10207-020-00502-x20:3(313-329)Online publication date: 1-Jun-2021
  • (2020)Load Distributed and Benign-Bot Mitigation Methods for IoT DNS Flood AttacksIEEE Internet of Things Journal10.1109/JIOT.2019.29476597:2(986-1000)Online publication date: Feb-2020
  • (2020)Denial of service attack detection through machine learning for the IoTJournal of Information and Telecommunication10.1080/24751839.2020.17674844:4(482-503)Online publication date: 12-Jun-2020
  • (2019)Stress Tester and Network Emulator in Apache JMeter2019 PhotonIcs & Electromagnetics Research Symposium - Spring (PIERS-Spring)10.1109/PIERS-Spring46901.2019.9017650(3722-3726)Online publication date: Jun-2019
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