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Sensors
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Sensor Networks Security, Privacy and Forensics
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Sensor Networks Security, Privacy and Forensics

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Networks".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 1891

Special Issue Editor

Dr. Avinash Srinivasan

E-Mail Website
Guest Editor
Department of Cyber Science, United States Naval Academy, Annapolis, MD 21402, USA
Interests: cybersecurity; cyber forensics; information privacy; critical infrastructure security
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Sensor networks continue to be at the heart of the ever-evolving digital world. With this, comes the tremendous challenges of securing these networks, ensuring privacy of data and people and supporting privacy preserving forensics investigations when warranted. This Special Issue therefore aims to put together original research and review articles on recent advances, technologies, solutions, applications, and new challenges in the field of sensor network security, privacy and forensics.

Dr. Avinash Srinivasan
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • security
  • sensors
  • privacy
  • forensics
  • pervasive
  • ubiquitous
  • IoT
  • networks

Published Papers (1 paper)

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Research

24 pages, 1274 KiB  
Article
DNS-BC: Fast, Reliable and Secure Domain Name System Caching System Based on a Consortium Blockchain
by Tianfu Gao and Qingkuan Dong
Sensors 2023, 23(14), 6366; https://doi.org/10.3390/s23146366 - 13 Jul 2023
Cited by 2 | Viewed by 1670
Abstract
The Domain Name System (DNS) is a fundamental component of the internet, responsible for resolving domain names into IP addresses. DNS servers are typically categorized into four types: recursive resolvers, root name servers, Top-Level Domain (TLD) name servers, and authoritative name servers. The [...] Read more.
The Domain Name System (DNS) is a fundamental component of the internet, responsible for resolving domain names into IP addresses. DNS servers are typically categorized into four types: recursive resolvers, root name servers, Top-Level Domain (TLD) name servers, and authoritative name servers. The latter three types of servers store actual records, while recursive resolvers do not store any real data and are only responsible for querying the other three types of servers and responding to clients. Recursive resolvers typically maintain a caching system to speed up response times, but these caching systems have the drawbacks of a low real-time performance, a poor accuracy, and many security and privacy issues. In this paper, we propose a caching system based on a consortium blockchain, namely DNS-BC, which uses the synchronization mechanism of the consortium blockchain to achieve a high real-time performance, uses the immutable mechanism of the consortium blockchain and our designed credibility management system to achieve up to a 100% accuracy, and has been combined with encrypted transmission protocols to solve common security and privacy issues. At the same time, this caching system can greatly reduce the traffic that name servers need to handle, thereby protecting them from Denial-of-Service (DoS) attacks. To further accelerate the data transmission speed, we have designed a new encrypted DNS protocol called DNS over KCP (DoK). The DoK protocol is based on the KCP protocol, which is a fast and reliable transmission protocol, and its latency can reach one-third of that of TCP when the network environment deteriorates. In our experiments, the transmission time of this protocol is about a quarter of that of the widely used encrypted protocols DNS over TLS (DoT) and DNS over HTTPS (DoH). Full article
(This article belongs to the Special Issue Sensor Networks Security, Privacy and Forensics)
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