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2022 | OriginalPaper | Chapter

A Study on the Use of 3rd Party DNS Resolvers for Malware Filtering or Censorship Circumvention

Authors : Martin Fejrskov, Emmanouil Vasilomanolakis, Jens Myrup Pedersen

Published in: ICT Systems Security and Privacy Protection

Publisher: Springer International Publishing

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Abstract

DNS resolvers perform the essential role of translating domain names into IP addresses. The default DNS resolver offered by an Internet Service Provider (ISP) can be undesirable for a number of reasons such as censorship, lack of malware filtering options and low service quality. In this paper, we propose a novel method for estimating the amount of DNS traffic directed at non-ISP resolvers by using DNS and NetFlow data from an ISP. This method is extended to also estimate the amount of DNS traffic towards resolvers that offer malware filtering or parental control functionality. Finally, we propose a novel method for estimating the amount of DNS traffic at non-ISP resolvers that would have been censored by ISP resolvers. The results of applying these methods on an ISP dataset shows to which extent 3rd party resolvers are chosen by users for either malware filtering or censorship circumvention purposes.

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Literature
10.
go back to reference Florio, A.D., Verde, N.V., Villani, A., Vitali, D., Mancini, L.V.: Bypassing censorship: a proven tool against the recent Internet censorship in Turkey. In: IEEE International Symposium on Software Reliability Engineering Workshops (2014). https://doi.org/10.1109/ISSREW.2014.93 Florio, A.D., Verde, N.V., Villani, A., Vitali, D., Mancini, L.V.: Bypassing censorship: a proven tool against the recent Internet censorship in Turkey. In: IEEE International Symposium on Software Reliability Engineering Workshops (2014). https://​doi.​org/​10.​1109/​ISSREW.​2014.​93
Metadata
Title
A Study on the Use of 3rd Party DNS Resolvers for Malware Filtering or Censorship Circumvention
Authors
Martin Fejrskov
Emmanouil Vasilomanolakis
Jens Myrup Pedersen
Copyright Year
2022
DOI
https://doi.org/10.1007/978-3-031-06975-8_7

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