Integrating 6LoWPAN Security with RPL Using The Chained Secure Mode Framework
Ahmed Raoof, Chung-Horng Lung, Ashraf Matrawy

TL;DR
This paper introduces a security framework that integrates 6LoWPAN with RPL using the Chained Secure Mode to authenticate fragments and prevent DoS attacks in IoT networks.
Contribution
It proposes a novel security integration method leveraging the CSM framework and Network Coding to enhance 6LoWPAN security against fragmentation attacks.
Findings
Significant mitigation of buffer-reservation attacks.
Almost no increase in power consumption.
Effective chain-of-trust in fragment routing.
Abstract
The IPv6 over Low-powered Wireless Personal Area Network (6LoWPAN) protocol was introduced to allow the transmission of Internet Protocol version 6 (IPv6) packets using the smaller-size frames of the IEEE 802.15.4 standard, which is used in many Internet of Things (IoT) networks. The primary duty of the 6LoWPAN protocol is packet fragmentation and reassembly. However, the protocol standard currently does not include any security measures, not even authenticating the fragments immediate sender. This lack of immediate-sender authentication opens the door for adversaries to launch several attacks on the fragmentation process, such as the buffer-reservation attacks that lead to a Denial of Service (DoS) attack and resource exhaustion of the victim nodes. This paper proposes a security integration between 6LoWPAN and the Routing Protocol for Low Power and Lossy Networks (RPL) through the…
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