■ 6 wireless network security

... in a small overhead 10 EURASIP Journal on Wireless Communications and Networking 10000 Detection time 8000 60 00 4000 2000 0 10 20 30 40 50 60 50 60 Network flooding intervals (s) Reference solution ... Workshop on Wireless Ad-Hoc Networks (ADHOC ’03), 2003 8 EURASIP Journal on Wireless Communications and Networking [8] Z Zhang, “Pure directional transmission and reception algorithms in wireless ... improvement of ad hoc wireless networks using directional antennas,” in Proceedings of the 4th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc ’03), pp 108–1 16, Annapolis,...

Ngày tải lên: 14/08/2014, 19:20

... Wireless Security  WPA Personal Security  WPA2 Personal Security  Enterprise Wireless Security  IEEE 802.11i  WPA Enterprise Security  WPA2 Enterprise Security  Enterprise Wireless Security ... Personal Wireless Security  Bảo mật wireless điển hình chia thành loại:  Personal wireless security: thiết kế cho SOHO (small office-home office) cho người tiêu dùng  Enterprise wireless security: ... Personal wireless security có mô hình phát triển Wi-Fi Alliance:  WPA Personal Security  WPA2 Personal Security Personal Wireless Security Lịch sử WIFI  Sau thời gian ngắn phát hành chuẩn mạng wireless...

Ngày tải lên: 22/01/2013, 23:02

... ad hoc and sensor networks However, wireless network security is still a major impediment to further deployments of the wireless/ mobile networks Security mechanisms in such networks are essential ... Xilinx XCV1000 0.27 GF(2 167 ) Xilinx XCV400E 0.210 GF(2 163 ) Xilinx XCV2000E 0.144 163 ) Xilinx XCV2000E 0.135 163 ) Xilinx XCV2000E 0.075 GF(2 GF(2 GF(2 WIRELESS NETWORK SECURITY 41 The performance ... 16 JONATHAN LUTZ and M ANWARUL HASAN Table Performance/Cost Trade-off for Multiplication over GF(2 163 ) Digit Size Performance in clock cycles # LUTs # Flip Flops g=1 163 67 7 67 0 g=4 41 854 67 0...

Ngày tải lên: 01/01/2014, 16:48

... a) MN visits new network b) New network obtains the address of old network c) New network requests context transfer to old network d) Old network transfers context of MN to new network e) After ... required security associations between networks This scheme reduces the total number of security associations to O(N ), i.e, between the broker and N networks Thus, whenever a foreign network needs security ... MS the home network [8] [52] [53] [54] [55] [ 56] (see Fig 6- (a)) This approach requires the mobile station to authenticate itself to its home network through the visiting network 3G wireless communication...

Ngày tải lên: 14/02/2014, 16:20

... protected wireless setup An open wireless network exists on the outside of the firewall Clients connect to the open wireless network The firewall allows all clients on the open wireless network to ... protect me” • “Nobody will find my wireless network 31 Above are what I believe to be the most common wireless security misconceptions Now, some wireless security is better than none, so don’t ... Topics • Why wireless security is increasingly important • Wireless security misconceptions • Wireless Attacks - Detection & Prevention • Defensive Wireless Computing The roadmap...

Ngày tải lên: 05/03/2014, 21:20

... Windows XP to configure your wireless card: Right-click “My Network Places” on your desktop and click “Properties” (or go to Start > Control Panel > Network) Select your Wireless LAN Card, right ... select “Properties” Click on Wireless Network tab Select the Access Point which you going to connect to and click “Configuration” on the right Under Wireless Network Properties” tick “Data ... “My Network Places” on your desktop and click “Properties” (or go to Start > Control Panel > Network) Select your Wireless LAN Card, right click on the icon and select “Properties” Click on “Wireless...

Ngày tải lên: 05/03/2014, 23:20

... Outline  6. 1 Wireless Communications and 802.11 WLAN Standards  6. 2 WEP: Wired Equivalent Privacy  6. 3 WPA: Wi-Fi Protected Access  6. 4 IEEE 802.11i/WPA2  6. 5 Bluetooth Security  6. 6 Wireless ... Security  6. 6 Wireless Mesh Network Security J Wang Computer Network Security Theory and Practice Springer 2008 Wireless Mesh Network (WMN)  An AP may or may not connect to a wired network infrastructure ... Computer Network Security Theory and Practice Springer 2008 Chapter Outline  6. 1 Wireless Communications and 802.11 WLAN Standards  6. 2 WEP  6. 3 WPA  6. 4 IEEE 802.11i/WPA2  6. 5 Bluetooth Security...

Ngày tải lên: 06/03/2014, 16:20

... Emerging Security Standards and Technologies 3- 36 Case Study: Implementing a Wireless LAN in the Work Environment 3-37 Wireless LAN Security Checklist 3-40 Wireless LAN Risk and Security ... in the Workplace 5- 36 5 .6 Wireless Handheld Device Security Checklist .5- 36 5.7 Handheld Device Risk and Security Summary 5-38 Appendix A— Common Wireless Frequencies and Applications ... effective tool to conduct security auditing and troubleshoot wireless network issues Security administrators or security auditors can use network analyzers, to determine if wireless products are...

Ngày tải lên: 14/03/2014, 20:20

... communications Wireless Networks Infrastructure-based wireless networks Cellular Telephone Networks WiMAX Networks Wireless LAN in Access Point Mode Infrastructure-less wireless networks Wireless LAN ... networks Wireless LAN in Ad Hoc Mode Wireless Mesh Networks Wireless Sensor Networks Figure 1: Classification of Wireless Networks Infrastructure based wireless networks need fixed infrastructures ... thus wireless client stations communicate with each other directly in peer-to-peer manner These types of networks are also known as wireless ad hoc networks Network topology of wireless ad hoc network...

Ngày tải lên: 22/03/2014, 15:21

... standard wireless networks 1.3.1.1 802.11 Wireless Networks (Wi-Fi) 1.3.1.2 3G Wireless Networks 1.3.2 Challenges for sensor networks 1.3.3 Challenges for mesh and ad hoc networks ... Privacy and Security 96 5.4.1 Privacy and security solutions in pervasive computing 96 5.4.2 Privacy and security solutions in ambient networks 97 5.4.3 Privacy and security solutions ... Privacy and Security Challenges in Oppnets 104 5 .6. 1 Increasing trust and providing secure routing 105 5 .6. 2 Helper privacy and oppnet privacy 1 06 5 .6. 2.1 Helper Privacy 1 06 5 .6. 2.2...

Ngày tải lên: 25/03/2014, 11:51

... you need to stop intruders from accessing your network Information Security, 6( 8), 60 -69 [6] Kennedy, S (2004) Best practices for wireless network security Information Systems Control Journal (3) ... Securing Wireless Networks 6. 1 Use of Encryption The most effective way to secure your wireless network from intruders is to encrypt, or scramble, communications over the network Most wireless ... crack 6. 6 Allow only specific computers to access your wireless network Every computer that is able to communicate with a network is assigned its own unique Media Access Control (MAC) address Wireless...

Ngày tải lên: 28/03/2014, 22:20

... protected SECURITY ISSUES ATTACKS Security is an important issue for wireless networks, especially for those security sensitive applications Many users of data There are two types of attacks toward security ... 5.3 Mobile Security Solutions In mobile security, the solutions which are in use are: PKI system (Cryptographic Key System), Silicon-based Security (as hardware security) , SIM Card Security, UICC ... technique Though it adds cost factor and is mostly avoided 6. 2 Security in Wireless Networks An authentication architecture for mobile ad hoc networks is proposed by Jacobs and 21 Corson This architecture...

Ngày tải lên: 28/03/2014, 22:20

... to wireless networks, the technology used in the physical layer (airspace) of wireless networks actually increases overall network security, as follows: Spread Spectrum Technology SkyRiver’s wireless ... Communications, Inc 2001 Page Security on SkyRiver’s Wireless Network We can see clearly that data security considerations impact the entire network architecture And while these data security considerations ... access the network Thus unauthorized network access becomes very difficult even for hackers who possess the equipment to attack the SkyRiver network Physical & Network Security SkyRiver’s network...

Ngày tải lên: 28/03/2014, 22:20

... (or go to “Start/ Settings/ Network or double click a network icon which represents your wireless network on system tray where right down your screen) Select your Wireless LAN Card right clicks ... (or go to “Start/ Settings/ Network or double click a network icon which represents your wireless network on system tray where right down your screen) Select your Wireless LAN Card right clicks ... selects “Properties” Click Wireless Network Select the Access Point which you going to connect and click “Configuration” on its right 6 Select”OPEN System” on Network Authentication, uses...

Ngày tải lên: 28/03/2014, 22:20

... standard The ninth paper entitled “MAC security and security overhead analysis in the IEEE 802.15.4 wireless sensor networks,” authored by Yang Xiao et al., proposes a security overhead analysis for ... security overhead analysis for the MAC layer in the IEEE 802.15.4 wireless sensor networks, as well as a survey on security mechanisms, security vulnerabilities, and attacks The tenth paper entitled ... its error correcting capacity as well as its security In summary, all eleven papers included in this special issue have discussed wireless network security, and can serve as very useful references...

Ngày tải lên: 22/06/2014, 22:20

... Wireless Network Security EURASIP Journal on Wireless Communications and Networking Wireless Network Security Guest Editors: Yang Xiao, Hui Chen, ... Wireless networking has been enjoying fast development, evidenced by wide deployments of many wireless networks of various sizes, such as wireless personal area networks (WPANs), local area networks ... metropolitan area networks (WMANs), and wide area networks (WWANs) These wireless networks can be of different formations, such as cellular networks, ad hoc networks, and mesh networks, and can...

Ngày tải lên: 14/08/2014, 19:20

... Dependability Issues in Wireless Ad Hoc Networks and Sensor Networks (DIWANS ’ 06) , pp 1–8, Los Angeles, Calif, USA, September 20 06 EURASIP Journal on Wireless Communications and Networking [ 16] T Leinm¨ ... Messages,” IEEE Std 160 9.2-20 06, July 20 06 [2] R Anderson, M Bond, J Clulow, and S Skorobogatov, “Cryptographic processors—a survey,” Proceedings of the IEEE, vol 94, no 2, pp 357– 369 , 20 06 [3] R Anderson ... Journal on Wireless Communications and Networking Discussion 140 130 Location error (meters) 120 110 100 90 80 70 60 50 40 0.2 0.4 0 .6 0.8 1.2 1.4 Vehicular candidate area size (%) 1 .6 VAγ VAβ...

Ngày tải lên: 14/08/2014, 19:20

... for wireless microsensor networks,” IEEE Transactions on Wireless Communications, vol 1, no 4, pp 66 0 67 0, 2002 [5] L Eschenauer and V D Gligor, “A key-management scheme for distributed sensor networks,” ... cluster size m (m = 9, 16, 25, 36, 49, 64 , 81, and 100) and a sensor node size n (n = 100 m) For each example, the whole network EURASIP Journal on Wireless Communications and Networking Communication ... management for wireless sensor networks,” in Handbook of Wireless Mesh & Sensor Networking, G Aggelou, Ed., McGraw-Hill, New York, NY, USA, 2007 12 EURASIP Journal on Wireless Communications and Networking...

Ngày tải lên: 14/08/2014, 19:20

... Journal on Wireless Communications and Networking Volume 2009, Article ID 9 464 93, 13 pages doi:10.1155/2009/9 464 93 Research Article On Multipath Routing in Multihop Wireless Networks: Security, ... data dissemination protocol for 16 [11] [12] [13] [14] [15] [ 16] [17] [18] [19] [20] EURASIP Journal on Wireless Communications and Networking wireless sensor networks,” Tech Rep UCLA/CSD-TR-010023, ... 20 06 K Kane and J C Browne, “Using uncertainty in reputation methods to enforce cooperation in ad-hoc networks,” in Proceedings of the 5th ACM Workshop on Wireless Security (WiSE ’ 06) , vol 20 06, ...

Ngày tải lên: 14/08/2014, 19:20

... transmission in mobile ad-hoc networks,” in Proceedings of the 4th ACM Workshop on Security of ad hoc and Sensor Networks (SASN ’ 06) , pp 91–100, Alexandria, Va, USA, October 20 06 13 Hindawi Publishing ... Journal on Wireless Communications and Networking Volume 2009, Article ID 2 567 14, pages doi:10.1155/2009/2 567 14 Research Article Minimizing Detection Probability Routing in Ad Hoc Networks Using ... 334–338, 1 965 [ 16] A Washburn and K Wood, “Two-person sum games for network interdiction,” Operations Research, vol 43, pp 243– 251, 1995 [17] M Kodialam and T V Lakshman, “Detecting network intrusions...

Ngày tải lên: 14/08/2014, 19:20