'Address resolution protocol' diaporamas de présentation

CS 4740/6740 Network Security

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IP and Networking Basics

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> Nicolas FISCHBACH IP Engineering Manager - COLT Telecom nico@securite.org - http://www.securite.org/nico/

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Network Infrastructure Insecurity

Network Infrastructure Insecurity. The authentication, management and routing protocols that run your network . Topics. Overview Basic protocol flaws Network allocation flaws Routing protocol flaws Authentication flaws Network Management and other fun flaws Application of attacks. DMZ.

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CIST 1601 Information Security Fundamentals

CIST 1601 Information Security Fundamentals. Chapter 2 Infrastructure and Connectivity. Collected and Compiled By JD Willard MCSE, MCSA, Network+, Microsoft IT Academy Administrator Computer Information Systems Technology Albany Technical College.

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Guide to Network Defense and Countermeasures Third Edition

Guide to Network Defense and Countermeasures Third Edition. Chapter 4 Routing Fundamentals. Examining the Routing Process. Routing : the process of transporting packets of information across a network from source to destination Takes place at the Network layer of the OSI model

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Naming Technologies within Distributed Systems

Naming Technologies within Distributed Systems. Names, Identifiers and Addresses. Naming. Naming systems play an important role in all computer systems, and especially within a distributed environment. The three main areas of study:

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Ethernet

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Ethernet LANs

Ethernet LANs. Chapter 2. Chapter Objectives. Describe issues related to increasing traffic on an Ethernet LAN Identify switched LAN technology solutions to Ethernet networking issues Describe the host-to-host packet delivery process through a switch

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Application

Application. Transport. Network. you are here. Link. Physical. Network host-to-host. Link node-to-node frame-by-frame. Physical node-to-node bit-by-bit. 101101001000100101010. MAC Address. 90:AF:F4:CA:BA:03. Broadcast Address. FF:FF:FF:FF:FF:FF. Network. Link.

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Interconnection: Switching and Bridging

Interconnection: Switching and Bridging. CS 4251: Computer Networking II Nick Feamster Spring 2008. In This Lecture. How hosts find each other on a subnet Address Resolution Protocol (ARP) Broadcast Interconnecting subnets Switches: Forwarding and filtering Self-learning bridges

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CSE 571S: Network Security

CSE 571S: Network Security. Raj Jain Washington University in Saint Louis Saint Louis, MO 63130 Jain@cse.wustl.edu These slides are available on-line at: http://www.cse.wustl.edu/~jain/cse571-09/. Overview. Goal of this Course Grading Prerequisites Tentative Schedule Project.

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Security Lab 2 MAN IN THE MIDDLE ATTACK

Security Lab 2 MAN IN THE MIDDLE ATTACK. Objectives. To understand ARP Poisoning, and how it forms MITM. To understand DNS poisoning, and how it uses in the MITM. Overview.

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Basic Wireshark Packet Analysis Common Lower-Layer Protocols ( ARP, IP, TCP, UDP, ICMP)

Basic Wireshark Packet Analysis Common Lower-Layer Protocols ( ARP, IP, TCP, UDP, ICMP). Ibnu Mubarok. Wireshark. Network Packet Capture Protocol Analyzer Open source Run on most Operating System. How Packet Analyzer Works. Collection Collects raw binary data from the wire

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E-Commerce Security Threats

E-Commerce Security Threats. And what you can do about it. Here are some numbers. In America 8 out of 10 US consumers use the internet to shop. In 2012, $42.3 billion were spent online during Nov-Dec alone $20.4 billion was lost to cyber crime in 2012. The Internet is a Dangerous P lace.

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An 8051 Based Web Server

An 8051 Based Web Server. Project by Mason Kidd Advised by Dr. Schertz. Outline. Abstract Overview of TCP/IP and HTTP Functional Description Block Diagram and Software Flow Chart Datasheet Hardware Description Completed Lab Work Problems Encountered Future Work/Applications. Abstract.

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Plug-in and Automatic update security

Plug-in and Automatic update security. Presented by Maxamed Hilowle. The topic Presentation. Insecurities within automatic update systems Can patching let a cracker in?. Abstract Model. Confidentiality Secure Compound Integrity A cyclic redundancy check (CRC) / Hash Certificates Development

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Internet Protocol

Internet Protocol. INTERNET PROTOCOL. Internet Protocol. IP as a Routed Protocol. IP is a connectionless, unreliable, best-effort delivery protocol. IP accepts whatever data is passed down to it from the upper layers and forwards the data in the form of IP Packets.

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HAPTER 6

HAPTER 6. Computer Fraud and Abuse Techniques. INTRODUCTION. Questions to be addressed in this chapter: Compare and contrast computer attack and abuse tactics. Explain how social engineering techniques are used to gain physical or logical access to computer resources.

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TCP/IP Packet Analysis and Troubleshooting

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