naa a22 4500 510796605 CHVBK 20180411083339.0 cr unu---uuuuu 180411e20131101xx s 000 0 eng 10.1007/s11277-013-1161-5 doi (NATIONALLICENCE)springer-10.1007/s11277-013-1161-5 Prevention of DoS Attacks in VANET [Elektronische Daten] [Karan Verma, Halabi Hasbullah, Ashok Kumar] Privacy and Security have become an indispensable matter of attention in the Vehicular Ad-Hoc Network, which is vulnerable to many security threats these days. One of them is the Denial of Service (DoS) attacks, where a malicious node forges a large number of fake identities, i.e., Internet Protocol (IP) addresses in order to disrupt the proper functioning of fair data transfer between two fast-moving vehicles. In this paper, a distributed and robust approach is presented to defend against DoS attacks. In this proposed scheme, the fake identities of malicious vehicles are analyzed with the help of consistent existing IP address information. Beacon packets are exchanged periodically by all the vehicles to announce their presence and to become aware of the next node. Each node periodically keeps a record of its database by exchanging the information in its environment. If some nodes observe that they have similar IP addresses in the database, these similar IP addresses are identified as DoS attacks. However, it can be expected that security attacks are likely to increase in the coming future due to more and more wireless applications being developed onto the well-known exposed nature of the wireless medium. In this respect, the network availability is exposed to many types of attacks. A DoS attack on the network availability is being elaborated in this paper. A model of a product interaction for DoS prevention has been developed called "IP-CHOCK” that will lead to the prevention of DoS attacks. The proposed approach will be able to locate malicious nodes without the requirement of any secret information exchange and special hardware support. Simulation results demonstrate that the detection rate increases when optimal numbers of nodes are forged by the attackers. Springer Science+Business Media New York, 2013 Vehicular ad hoc network nationallicence Security nationallicence Denial of Service (DoS) nationallicence Attacks nationallicence IP addresses nationallicence Bloom filter nationallicence Hash function nationallicence Verma Karan Department of Computer & Information Sciences, Universiti Teknologi PETRONAS, Seri Iskandar, Malaysia aut Hasbullah Halabi Department of Computer & Information Sciences, Universiti Teknologi PETRONAS, Seri Iskandar, Malaysia aut Kumar Ashok Electronics and Communication Engineering, Government Women Engineering College, Ajmer, India aut Wireless Personal Communications Springer US; http://www.springer-ny.com 73/1(2013-11-01), 95-126 0929-6212 73:1<95 2013 73 11277 https://doi.org/10.1007/s11277-013-1161-5 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11277-013-1161-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Verma Karan Department of Computer & Information Sciences, Universiti Teknologi PETRONAS, Seri Iskandar, Malaysia aut NATIONALLICENCE 700 1- Hasbullah Halabi Department of Computer & Information Sciences, Universiti Teknologi PETRONAS, Seri Iskandar, Malaysia aut NATIONALLICENCE 700 1- Kumar Ashok Electronics and Communication Engineering, Government Women Engineering College, Ajmer, India aut NATIONALLICENCE 773 0- Wireless Personal Communications Springer US; http://www.springer-ny.com 73/1(2013-11-01), 95-126 0929-6212 73:1<95 2013 73 11277 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer