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Internet Protocol version 6 (IPv6) over Low power Wireless Personal Area Networks (6LoWPAN) is extensively used in wireless sensor networks (WSNs) due to its ability to transmit IPv6 packet with low bandwidth and limited resources. 6LoWPAN has several operations in each layer. Most existing security challenges are focused on the network layer, which is represented by its routing protocol for low-power...
Internet of Things (IoT) consists of smart devices that communicate with each other. It enables these devices to collect and exchange data. Besides, IoT has now a wide range of life applications such as industry, transportation, logistics, healthcare, smart environment, as well as personal, social gaming robot, and city information. Smart devices can have wired or wireless connection. As far as the...
Trust-ND is an alternative lightweight security mechanism based on distributed trust management model to secure IPv6 Neighbor Discovery Protocol. Trust-ND introduced a new NDP option, called Trust option, with three fields: Message Generation Time (or timestamp), Nonce, and Message Authentication Data. A thorough investigation and analysis of the use of timestamp field has identified four scenarios...
In the last few years, when two Internet users want to communicate via chatting application, they have to use the same application since each chatting application uses a certain signaling protocol to handle the chatting sessions. As a result, many researchers proposed some mapping architectures when two users want to communicate using different chatting applications by proposing a translation gateway...
Botnet-based Distributed Denial of Service (DDoS) attacks are considered as the main concerns and problems of today's Internet. The damage of these attacks are very serious since the number of computers involved in these attacks is huge and distributed worldwide. However, many protocols such as Domain Name System (DNS) have several security vulnerabilities nowadays that are utilized by botnet attackers...
Botnet is a thorny and a grave problem of today’s Internet, resulting in economic damage for organizations and individuals. Botnet is a group of compromised hosts running malicious software program for malicious purposes, known as bots. It is also worth mentioning that the current trend of botnets is to hide their identities (i.e., the command and control server) using the DNS services to hinder their...
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