Detecting misbehaving nodes in MANETs

IJRCAR, 2015

In past few decades the wired network technology most wide spread network in global trend. Now the technology has been migration to wireless network from wired network. In wireless networks a scalable and mobility is brought by in many applications. Among all the specifications of wireless networks, MANET is one of the most important and different applications. On the specification of traditional network architecture, actually MANET does not require a fixed network infrastructure; because the transmitter and receiver work on every single node. The communication is done in nodes within the specific range. Otherwise, they rely on their neighbours to relay messages. But the self-configuring ability of nodes in MANET made it popular among critical mission applications like military use or emergency recovery. However, the open medium and wide distribution of nodes make MANET vulnerable to malicious attackers. In this case, it is crucial to develop efficient intrusion-special detection mechanisms described to protect MANET from attacks. With the development of the technology MANETs used into industrial applications to reach such trend, the potential security issues occur in many industrials. To deploy this situation, we propose a special implement a new intrusion-detection system named Special Enhanced Adaptive Acknowledgment (SEAACK) specially designed for MANETs. Compared to contemporary approaches, SEAACK demonstrates higher malicious-behaviourdetection rates in certain circumstances while does not greatly affect the network performances.

World Academy of Science, Engineering and Technology, International Journal of Electrical, Computer, Energetic, Electronic and Communication Engineering, 2008

As mobile ad hoc networks (MANET) have different characteristics from wired networks and even from standard wireless networks, there are new challenges related to security issues that need to be addressed. Due to its unique features such as open nature, lack of infrastructure and central management, node mobility and change of dynamic topology, prevention methods from attacks on them are not enough. Therefore intrusion detection is one of the possible ways in recognizing a possible attack before the system could be penetrated. All in all, techniques for intrusion detection in old wireless networks are not suitable for MANET. In this paper, we classify the architecture for Intrusion detection systems that have so far been introduced for MANETs, and then existing intrusion detection techniques in MANET presented and compared. We then indicate important future research directions. Keywords—Intrusion Detection System(IDS), Misbehaving nodes, Mobile Ad Hoc Network(MANET), Security.

"Since there is no infrastructure in mobile ad hoc networks, each node must rely on other nodes for cooperation in routing and forwarding packets to the destination. Intermediate nodes might agree to forward the packets but actually drop or modify them because they are misbehaving. The simulations in show that only a few misbehaving nodes can degrade the performance of the entire system. There are several proposed techniques and protocols to detect such misbehavior in order to avoid those nodes, and some schemes also propose punishment as well. It is very difficult to design once-for intrusion detection techniques. Instead, an incremental enhancement strategy may be more feasible. A secure protocol should at least include mechanisms against known attack types. In addition, it should provide a scheme to easily add new security features in the future. Due to the importance of MANET routing protocols, we focus on the detection of attacks targeted at MANET routing protocols This includes WatchDog and Pathrater approach. A watchdog identifies the misbehaving nodes by eavesdropping on the transmission of the next hop. A path rater then helps to find the routes that do not contain those nodes. "

The migration to wireless network from wired network has been a global trend in the past few decades. The mobility and scalability brought by wireless network made it possible in many applications. Among all the contemporary wireless networks, Mobile Ad hoc NETwork (MANET) is one of the most important and unique applications. On the contrary to traditional network architecture, MANET does not require a fixed network infrastructure; every single node works as both a transmitter and a receiver. Nodes communicate directly with each other when they are both within the same communication range. Otherwise, they rely on their neighbors to relay messages. The self-configuring ability of nodes in MANET made it popular among critical mission applications like military use or emergency recovery. However, the open medium and wide distribution of nodes make MANET vulnerable to malicious attackers. In this case, it is crucial to develop efficient intrusion-detection mechanisms to protect MANET from attacks. With the improvements of the technology and cut in hardware costs, we are witnessing a current trend of expanding MANETs into industrial applications. To adjust to such trend, we strongly believe that it is vital to address its potential security issues. In this paper, we propose and implement a new intrusion-detection system named Enhanced Adaptive ACKnowledgment (EAACK) specially designed for MANETs. Compared to contemporary approaches, EAACK demonstrates higher malicious-behavior-detection rates in certain circumstances while does not greatly affect the network performances.

A network is nothing but multiple nodes are connected with each other in some manner. The communication between each node and the topology of the network are important to make the environment more efficient. The communications between systems are broadly categorized into two; that are wired and wireless communication. In wired network, each node will be connected through physical wires and follows a topology. But in wireless network the communication between each node will be happen a centralized node called Access Point. In wireless environment a special wireless network is called MANET, in which there will be no centralized Access Points. MANET is nothing but Mobile Ad-hoc NETwork. In MANET each node acts as a sender and receiver. And there is no fixed route between nodes. Based on the nodes reachable, node will change the routing table dynamically. So the mobility and scalability of the nodes will not impact the MANET. The self-configuring ability of the MANET made it popular in military applications and emergency recovery. So the communication between each node should be more secure and trustable. And it's important to identify the malicious nodes in MANET too. The malicious nodes are nodes which are not able to sends packets further or the nodes which are sends false report to the sender. To identify these malicious nodes and sends the messages with more secure with authorization need to implement new Intrusion Identification System called Digital Signature with Acknowledgement name as Enhanced Adaptive Acknowledgement. The objective of MANET is fast communication. So its need to analyze the network throughput also once the new Intrusion Identification System introduced.

The Mobile ad-hoc network does not have any fixed infrastructure so they rely on their neighbors to relay message. The mobile nodes can move around the network in free manner. Unlike wired networks, there is no fixed and dedicated link available between the nodes. So any node can access any link between any nodes. This nature of open medium of MANET they attracts malicious users. IDS techniques are used to detect malicious nodes. Here they propose new Intrusion detection method called EAACK .EAACK handles three weakness of watch dog they are:1) Receiver collision, 2) Limited transmission power, 3) False misbehavior. EAACK demonstrate higher malicious-behavior detection rates in certain circumstances while does not greatly affect the network performances .In proposed EAACK scheme they implemented both DSA and RSA.

Proceedings of National Conference on Recent Trends in Parallel Computing (RTPC - 2014)

The mobile ad-hoc network is more exposed to being attacked, their some fundamental Properties, such as dynamic topology, limited power and limited bandwidth, it is very hard to achieve absolute security in the mobile ad hoc network. Attack avoidance method like encryption and authentication are not enough for reducing the possibilities of attacks. However, these methods are designed to prevent for a set of possible known attacks. These methods are not able to prevent newer attacks that are originated in the existing security measures. So, the mechanism is needed to detect and response for these newer attacks. This paper explores and classifies current techniques of Intrusion Detection System (IDS) on MANET and we have study various intrusion detection techniques in MANET.

In the recent decades the mobile wireless communication becomes more attractive because of its applications in many fields. Moving from the wired communication to wireless communication, the security is the most important property to consider. Specifically in the mobile environment it has the vulnerability, because of its portability and scalability. The mobile ad hoc wireless communication has characteristics such as open medium, distributed environment and changing topology, it makes the network into most vulnerable to the attackers to make the intrusion. The attackers (intruders) can easily enter into the network and compromises the network to behave in the favors of his choice. The Mobile Ad hoc NETwork (MANET) should have the capability to detect such intrusion (attacks) and remove it. To survive the MANET from such intrusion, an Intrusion Detection System (IDS) should be enhanced to the MANET, which can efficiently identify the attacks of the intruders. In this paper it is discussed about various intrusion detection mechanisms and techniques for the MANET to detect the intrusion and intruders.

2014

— This Paper presents a coherent survey on to detect the misbehaving node in Mobile Ad hoc Network (MANET) with the intent of serving as a quick reference to the current research issues in MANET. A mobile ad-hoc network is an infrastructure less network, that is self-configuring mobile nodes connected by wireless links. The open medium and the decentralized property of these nodes relay on each other to store and forward packets. Most of the proposed MANET protocols do not address security issues. Furthermore, MANETs are highly vulnerable for passive and active attacks because of their open medium, rapidly changing topology, lack of centralized monitoring. The encryption and authentication solution, which are considered as the first line of defence, are no longer sufficient to protect MANETs. Therefore, Intrusion Detection System (IDSs) is needed to be the second line of defence to protect the network from Security problems. In recent years, the security issues on MANET have become ...

The mobile ad hoc networks (MANET) have been used in latest years, in several applications. They are more susceptible to malicious attack. It's more problematical to deliver security in mobile ad hoc network entirely. It's based on some exclusive characteristics. In addition the inhibition methods need to detect and yield essential activities to deliver the security to these types of networks. For this purpose many intrusion detection systems (IDSs) are used. An Intrusion Detection System (IDS) perceives malicious and selfish nodes in a network. Designing efficient IDS for wireless ad-hoc networks that would not disturb the performance of the network significantly is indeed a challenging task. Detecting Misbehavior (such as transmission of false information) in Mobile Adhoc Network (MANET) is an important problem with wide range of security applications. Authentication and confidentiality is an important aspect of mobile adhoc networks. It enables entities to cope with insecurity and uncontrollability caused by the free will of others. Security management is highly challenging issues in MANETs due to computational complexity constraints, and the independent movement of component nodes. The proposed technique used is Enhanced Adaptive Acknowledgment for intrusion detection system specially designed for MANETs. A Hybrid cryptographic Algorithm is used for obtaining a Authentication of message and recovering the original message without any conflict. The concept of implementing a hybrid scheme in AACK greatly decreases the network overhead.