Today is the age of computer and internet. More and more people are creating their own websites to market their products and earn more profit from it. Having your own website will definitely help you in getting more customer purchasing your products but at the same time you can also also attract hackers to play around with your site. If you have not taken enough care to protect your site from hackers then your business can even come to an end because of these hackers. Before you hack into a system
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Footprinting The phases of an attack 1. Reconnaissance Information gathering‚ physical and social engineering‚ locate network range 2. Scanning - Enumerating Live hosts‚ access points‚ accounts and policies‚ vulnerability assessment 3. Gaining Access Breech systems‚ plant malicious code‚ backdoors 4. Maintaining Access Rootkits‚ unpatched systems 5. Clearing Tracks IDS evasion‚ log manipulation‚ decoy traffic Information Gathering 1. Unearth initial information What/ Who is
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IEEE 80211n By Md Mahfuzur Rahman Bosunia Department of Information and Communications Engineering (ICE)‚ Hankuk University of Foreign Studies (HUFS) Introduction To meet up the demand for higher performance of today’s applications e.g.‚ online gaming‚ streaming audio video and different multimedia contents in wireless local area networks‚ the institute of Electrical and Electronics Engineers approved several WLAN standards with varying speed and service delivery. The objective of IEEE Task
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Chapter 7 Wireless Networks I ITM 4272 1) The most serious problem with wireless transmission in WLANs is ________. A) inverse square law attenuation B) absorptive attenuation C) shadow zones D) multipath interference Answer: D 2) What propagation problem becomes worse as frequency increases? A) Absorptive attenuation. B) Electromagnetic interference. C) Both A and B D) Neither A nor B Answer: A 3) The total range of possible 802.11 WLAN frequencies in the 2.4 GHz band constitutes
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Welcome back to the Lab Programme! In this lab‚ we’ll investigate the behavior of TCP in detail. We’ll do so by analyzing a trace of the TCP segments sent and received in transferring a 150KB file (containing the text of Lewis Carrol’ s Alice’s Adventures in Wonderland) from your computer to a remote server. We’ll study TCP’s use of sequence and acknowledgement numbers for providing reliable data transfer; we’ll see TCP’s congestion control algorithm – slow start and congestion avoidance – in
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Camberwell Grammar School Cricket Firsts Coach Richard Clifton rgc1@optusnet.com.au Firsts Assistant Coach Dr Graham Morey-Nase gmn@cgs.vic.edu.au Teacher in Charge Peter Robinson pjr@cgs.vic.edu.au Development Coach Mark Freeman mfreeman@efl.org.au First XI Result 2013/14 Ninth Venue/s Camberwell Grammar KAO Training and Matches (Out of action 2015/16) Gordon Barnard West GBO Matches Hislop Park (1 & 3) HP Matches Deepdene Park DP Training (Firsts on Turf
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contains the label “##.##.##.## is at xx:xx:xx:xx:xx:xx‚ where ##.##.##.## is the default gateway IP address. From the information contained in the ARP reply‚ write down the MAC address of the default gateway. | | Expand the details of a DHCP ACK frame and answer the questions below. DHCP client UDP port # | 67 | DHCP server UDP port # | | Client IP address | 10.254.109.100 | DHCP server IP address | | Router IP address | 10.254.109.109 | DNS sever IP address | | DHCP lease time
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Contents Background and Research Problems What is IMS A scenario supported by IMS Main advantages to network and users Session control in IMS IMS-level Registration Registration Procedure Authentication flows during registration IP Multimedia Subsystem (IMS) Jun Lei Prof. Dr. Dieter Hogrefe Telematics group University of Goettingen‚ Germany Basic Session Setup IMS session establishment call flow IMS INVITE procedure Session Initiation Protocol (SIP) General IMS Architecture
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CmpE 209 Zachary Baumgartner Professor Park 4/6/15 Homework #2 [Question 1] MITM ARP Poisoning 1. If node1 is a "man in the middle" then node4 is an "odd man out." In particular‚ node4 was unaccounted for in section 2 "Recording actual address mappings." Later you arp poisoned node2 and node0 from node1; how about arp poisoning node 4 from node1? You accomplish poisoning by sending a crafted arp message to a node. Comment on the ways and means of poisoning node4 from node1. o The
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OSI Protocol Hierarchy Session Layer The session layer is the fifth among the seven layers of the Open System Interconnections (OSI) model. It resides above the transport layer and below the presentation layer‚ and provides “value added" services to the underlying transport layer services. The session layer (along with the presentation layer) add services to the transport layer that are likely to be of use to applications‚ so that each application doesn ’t have to provide its own implementation
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