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Securing IPv6 Link Local Communication Using IPSec: Obstacles and Challenges

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Widely known as the Internet Protocol version 6 (IPv6), the Internetworking Protocol next generation (IPng) has emerged as a solution to the drawbacks of the Internet Protocol version 4. The main functions of the IPv6 are address autoconfiguration and router and neighbor discovery (ND). As a component of the IPng, the Neighbor Discovery protocol (NDP) allows the IPng to be redirected to a suitable hop node. Moreover, it detects identical addresses and unreachable nodes. However, many types of attacks (e.g., neighbor solicitation and advertisement spoofing, address theft, redirection, and denial of service) put the NDP at risk, especially when its security is weak. In the early development of the NDP, its node connections were deemed highly secure. Contrary to this notion, the security of the NDP when formally applied is obviously filled with loopholes. In the original design of the NDP, ND messages receive protection through the application of Internet protocol security (IPsec). However, the exact mechanism of such form of protection remains vague. Thus, we focus on the functions of and threats to the NDP. In addition, we explore the other aspects of the NDP, including its limitations in meeting its primary requirement of using IPsec to secure the local link communication in the IPv6 environment.
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Keywords: Internet Protocol Security (IPsec); Internet Protocol Version 6 (IPv6); Neighbor Discovery Protocol (NDP)

Document Type: Research Article

Affiliations: Research Centre for Software Technology and Management (SOFTAM), Network and Communication Technology Laboratory (NCT LAB), Faculty of Information Science and Technology (FTSM), Universiti Kebangsaan Malaysia (UKM), 43600 UKM, Bangi, Selangor, Malaysia

Publication date: November 1, 2017

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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