denial of service attacks in wireless networks

... Research Article Detecting Pulsing Denial-of-Service Attacks with Nondeterministic Attack Intervals Xiapu Luo, Edmond W W Chan, and Rocky K C Chang Department of Computing, The Hong Kong Polytechnic ... portion of the bottleneck link capacity, the incoming TCP data traffic adapts to the remaining bandwidth without significant fluctuations 5.5.2 The DTW Method Besides filtering noise in the incoming ... PDoS attacks on the receiver side [3] The detection is based on the presence of two traffic anomalies induced by the attacks: periodic fluctuations in the incoming TCP data traffic and a decline in

Ngày tải lên: 21/06/2014, 22:20

... original incarna-tion of CL is described by Bulusu et al [17] and localizes the transmitting source of a message to the (x, y) coordinates obtained from averaging the coordinates of all receiving ... Krizanc, and P Morin, “Improv-ing distance based geographic location techniques in sensor networks,” in Proceedings of the 3rd International Conference on Ad-Hoc, Mobile, and Wireless Networks (ADHOC-NOW ... values inΥ, as found inDefinition 4.1, and the RSS spanVΔ determined according toDefinition 4.2, the weightw iof each receiverR i is computed from the relative placement of its RSS valueυ i in the

Ngày tải lên: 21/06/2014, 23:20

... are inherent in any technology Some of the wireless risks are similar to those of wired networks, some are exacerbated, and some are new The most significant source of risks in wireless networks ... producers of Wi-Fi suggest using WPA in preshared key only in the home of the SOHO environment or in environments where there is a low proba-bility of attempting attacks on security [8,9] During 2002, ... EAP-TLS and PEAP) The third type consisted of spoofing of 4 types of EAP protocol messages So in this case the possibility of hacking referred to (i) flooding associate requests or EAOPL-start packets

Ngày tải lên: 22/06/2014, 22:20

... departmentcouncil of the Department of Information Technology on16.01.2008 Examiners: Professor Esa Kerttula Trang 2Detection of denial of service attacksThesis for the degree of Master of Science in Technology ... is only in the placement of those filters Interesting thing about this kind of filtering is that it does not protect your own Trang 21network from denial of service attacks, merely making it harder ... would be very expensive in terms of lost profit and marredpublic image In terms of occurrence denial of service attacks are certainly some of the most frequentamong all misuse attacks, as witnessed

Ngày tải lên: 21/12/2016, 10:42

... subset of all DoS attacks Trang 4Modes of Denial of Service AttackConsumption of limited resources Trang 5DoS Attacks - StatisticsThere are more than 4000 attacks per weekDuring 2000, 27% of security ... Trang 1Denial of Service Attacks:Methods, Tools, and Defenses Prof Mort Anvari Strayer University at Arlington Trang 2Basic types of DoS attacks Evolution of DoS tools Overview of DoS tools ... Arlington Trang 8DoS Attacks - BasicsAttack has two phases: Installation of DoS tools Committing an attack Trang 9DoS Attacks - BasicsInstallation of DoS tools: Finding a suitable machine:  Unprotected

Ngày tải lên: 08/01/2018, 10:37

... attack in the testing set dose not present in the training data for intrinsic evaluation of detection system Experimental configuration: In the experiments, we fine-tune our model on 90% of training ... technologies, resulting in service failures In this work, we introduced a model to detect and classify Distributed Denial of Service attacks based on neural networks that take advantage of a proposed ... normalize the data using min-max scaling as follow: xi= fi− fmin Trang 42.2 Feature SelectionFeature selection is one of the key problems for machine learning and data mining that selecting a feature

Ngày tải lên: 24/03/2022, 10:00

... UNIVERSITY OF SCIENCE AND TECHNOLOGY School of Electrical and Electronic Engineering Department of Automation Engineering Final Exam 20231 EE1024E Introduction to Electrical Engineering Topic: ... pointing out that no assumptions are imposed on locations of the eigenvalues of the state matrix A Assumption 2.2 is very mild in the investigations of distributed coordination problems of linear ... attack intensity, and D(i,j)(τ , t) represents the union of jamming periods of the link (i, j) E during the interval [τ , t), τ < t.∈ Remark 2.2: It is worth mentioning that larger σij indicates

Ngày tải lên: 13/06/2024, 09:26

... mitigate Denial of Services Attacks in a network.  Explaining what kind of threats which we need to defend against.  Explaining the various detection mechanisms which are available.  Explaining ... Internet is down”  Unexplained changes in network baseline SNMP: line/CPU overload, drops Bandwidth Trang 17Detection —Network Baselines NMS baselines  Unexplained changes in link utilization Worms ... generate a lot of traffic, sudden changes in link utilization can indicate a worm  Unexplained changes in CPU utilization Worm scans can affect routers/switches resulting in increased CPU both

Ngày tải lên: 12/10/2016, 13:25

... Trang 1Blekinge Institute of Technology Licentiate Dissertation Series No 2006:11 School of EngineeringON APPLICATION-PERCEIVED QUALITY OF SERVICE IN WIRELESS NETWORKS Stefan Chevul Wireless and ... 5Department of Telecommunication SystemsSchool of Engineering Blekinge Institute of Technology SWEDEN Trang 6© 2006 Stefan ChevulDepartment of Telecommunication Systems School of Engineering Publisher: ... link was not reached Finally, the thesis discusses the suitability of wireless networks for differentmobile services, since the influence of the network on the application-perceivedQuality of Service

Ngày tải lên: 18/10/2013, 12:15

... taken in sensor information and networking architecture (SINA) [24], in TinyDB [65] on top of TinyOS, and in Cougar [66] In SINA, database queries are injected to network as sensor querying and ... within a defined area In addition to the passive monitoring involved in the environmental monitoring applications inTable 1, En-vMonitor consists of active monitoring tasks reacting to con-dition ... migration as binary code is possible in BetrhaOS and in MultimodAI NeTworks of In-situ Sensors (MANTIS) OS (MOS) [25] BerthaOS allows the in-network initiation of transfers and checks the code integrity

Ngày tải lên: 23/06/2014, 00:20

... Trang 20Increasing bandwidth demand is challenging the capacity limits of current bone transport networks with the number of Internet users increasing dramaticallyalong with various bandwidth-intensive ... Effect of the delay bound at the edge nodes in edge/core networks under non-identical traffic demand (W wavelengths per link) 61 3.13 Effect of the the number of wavelengths per link in integrated ... DEPARTMENT OF ELECTRICAL & COMPUTER ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2010 MAY Trang 2First and foremost, I am truly indebted to my supervisors, Professor Chua KeeChaing and Professor

Ngày tải lên: 11/09/2015, 16:05

... Transmission scheduling From a single user’s point of view, transmission ing determines the times for transmitting the head of line packet in the (sorted) buffer schedul-Transmission scheduling can be ... although somedelay in sending CSR is allowed The measurement of channel conditions can be achieved using some pilot/training bits in each frame, e.g., the training bits in a GSMframe [65] In UMTS, a ... number of data users The system load increases with the increase of the number of users 140 6.11 Average delay of selected individual data users and average delay of all simulated data users in

Ngày tải lên: 16/09/2015, 17:12

... clustering protocol in which sensor nodes organize themselves into clusters to reduce energy consumption 2 Classification of routing protocols in WSN Routing protocols in wireless sensor networks ... perform a certain taks [3] Figure 2 Basic components of a sensor node The architecture of a sensor node in Figure 2 consists of 3 main parts: 1 Sensing Unit: The Sensing Unit consists of Sensor and ... Classification of routing protocols in WSN [4] On the basis of Network Structure routing protocols in WSNs can be divided into location-based routing hierarchical-location-based routing, flat-location-based

Ngày tải lên: 13/10/2023, 19:28

... The Durban Chamber of Commerce and Industry “has in recent years expressed the concern of its members regarding the increasing cost of doing business in the Durban Unicity ... the denial The cases over housing and water are subjects of ongoing litigation 4 Introduction Free download from www.hsrcpress.ac.za Apart from eroding some of the gains of service ... ways of calculating these costs (Dinar... jointly with the HSRC The survey findings reiterate the main points made in the case studies: i) that cost recovery measures are having

Ngày tải lên: 06/03/2014, 04:20

... legitimate users, by overloading its resources A Distributed Denial of Service ( DDoS ) • On the Internet , a distributed denial-of-service A Distributed Denial - of - Service ( DDoS ) attack: , (DDoS) ... Uses of Botnets Distributed Denial- of- Service Attacks • Botnets are used for Distributed Denial- of- Service (DDoS) attacks Spamming • Opens a SOCKS v4/v5 proxy server for spamming ... cause a denial of service attack against Windows-based machines Causes the target machines to consume 100% of the CPU time on processing the ill l packets i th illegal k t Not Windows specific

Ngày tải lên: 06/03/2014, 15:20

... DoS(Denial Of Service) Ngô Văn Công Tin tức Mục đích  DoS là gì?  Các kiểu DoS khác nhau  DoS tools  DDoS là gì?  DDoS attack Taxonomy  DDoS Tools  Reflected DoS Attacks  Taxonomy of ... làm tràn ngập các gói tin. [...]... HKLM\Software\Microsoft\Windows\CurrentVerson\R un  HKLM\Software\Microsoft\Windows\CurrentVerson\R unService  Tự động phát tán  Agabot có khả năng tự động ... Taxonomy  Bandwidth depletion attacks  Flood attack... tin từ internet  Truy cập vào thông tin hệ thống  Thực hiện DDoS tới hệ thống khác Sơ đồ tấn công bằng mạng BOT Tin tức DDoS  Ngày 7/3/2000,

Ngày tải lên: 11/03/2014, 16:07

... CONTESTTrang 2Since the Internet appears and becomes popular, Denial of service (DoS) attacks continues tothreaten the reliability of networking systems All most previous approaches for protecting networks ... system, in another way is recruitment of the Agent Network Depending on the type of denial of service planned, the attacker needs to find a large number of vulnerable machines to use for attacking ... malicious purposes, including DDoS attacks Some methods of causing a denial of service that attacker prefer to use: 2.2.1 Attacking a Protocol: An ideal example of protocol attacks is a TCP SYN

Ngày tải lên: 12/04/2014, 15:43

... in-depth inter-view to provide a way of systematically presenting key indicators, as well as of allowing more thorough docu-mentation of conditions and nuanced understanding of the interrelation of ... commissioner of prisons, ZPS] and judge fellow inmates and mete out punishments, including beatings, through night-time courts in their cells According to both inmates and prison officials, drinking water ... drug-resistant TB includes the use of second-line drugs, with individual case management including a his-tory of drug use in the country and the individual [31], such procedures are unheard of in Zambian

Ngày tải lên: 20/06/2014, 08:20

... contents-providing services, presence services, and E-911 locating services, have recently been drawing much attention in wireless network community Since LBSs rely on the location information in providing ... by reducing the chances of transmission for the sending stations in the way of increasing the minimum conten-tion window size The downlink compensaconten-tion access (DCA) algorithm in [16] gives ... moving in a fleet Considering LBSs directly use location information and also require different levels of quality of services (QoS), we need to use the location information in LBS frameworks in

Ngày tải lên: 20/06/2014, 22:20

... problem of minimum-length scheduling involves obtaining a sequence of activations of wireless nodes so that a finite amount of data residing at a subset of the nodes in the network reaches its intended ... considerable gains VI Conclusions In this paper, we focused on the problem of joint scheduling and rate control in single-hop wireless networks under the objective of minimizing the required ... authors obtain a cen- tralized, polynomial time algorithm for static networks that finds a schedule of minimum length satisfying a set of link-traffic requirements. However, in [3], modeling of the

Ngày tải lên: 20/06/2014, 22:20