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DNS-Scopy: Towards Security of Internet Naming Infrastructure

Shulman, Haya ; Waidner, Michael
eds.: Pernul, Günther ; Ryan, Michael Y. A. ; Weippl, Edgar (2015)
DNS-Scopy: Towards Security of Internet Naming Infrastructure.
Vienna, Austria
doi: 10.1007/978-3-319-24174-6_1
Conference or Workshop Item, Bibliographie

Abstract

We study the operational characteristics of the server-side of the Internet's naming infrastructure. Our findings discover common architectures whereby name servers are 'hidden' behind server-side caching DNS resolvers. We explore the extent and the scope of the name servers that use server-side caching resolvers, and find such configurations in at least 38% of the domains in a forward DNS tree, and higher percents of the domains in a reverse DNS tree. We characterise the operators of the server-side caching resolvers and provide motivations, explaining their prevalence.

Our experimental evaluation indicates that the caching infrastructures are typically run by third parties, and that the services, provided by the third parties, often do not deploy best practices, resulting in misconfigurations, vulnerabilities and degraded performance of the DNS servers in popular domains.

Item Type: Conference or Workshop Item
Erschienen: 2015
Editors: Pernul, Günther ; Ryan, Michael Y. A. ; Weippl, Edgar
Creators: Shulman, Haya ; Waidner, Michael
Type of entry: Bibliographie
Title: DNS-Scopy: Towards Security of Internet Naming Infrastructure
Language: German
Date: September 2015
Publisher: Springer-Verlag New York, Inc.
Book Title: 20th European Symposium on Research in Computer Security Vienna, Austria, September 21 – 25, 2015 Proceedings
Series: Lecture Notes in Computer Science 9326
Series Volume: 1
Event Location: Vienna, Austria
DOI: 10.1007/978-3-319-24174-6_1
Abstract:

We study the operational characteristics of the server-side of the Internet's naming infrastructure. Our findings discover common architectures whereby name servers are 'hidden' behind server-side caching DNS resolvers. We explore the extent and the scope of the name servers that use server-side caching resolvers, and find such configurations in at least 38% of the domains in a forward DNS tree, and higher percents of the domains in a reverse DNS tree. We characterise the operators of the server-side caching resolvers and provide motivations, explaining their prevalence.

Our experimental evaluation indicates that the caching infrastructures are typically run by third parties, and that the services, provided by the third parties, often do not deploy best practices, resulting in misconfigurations, vulnerabilities and degraded performance of the DNS servers in popular domains.

Identification Number: TUD-CS-2015-12099
Divisions: Profile Areas
Profile Areas > Cybersecurity (CYSEC)
Date Deposited: 17 Aug 2017 16:34
Last Modified: 22 Jan 2019 11:30
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