'Icmp echo' diaporamas de présentation

Intrusions

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Distributed Denial of Service ( DDoS )

Distributed Denial of Service ( DDoS ). Defending against Flooding-Based DDoS Attacks: A Tutorial Rocky K. C. Chang DDoS Defense by Offense Michael Walfish, Mythili Vutukuru, Hari Balakrishnan, David Karger, and Scott Shenker Presented by Adwait Belsare ( adwait@wpi.edu )

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Network Management Tools and Systems

In the Name of the Most High . Network Management Tools and Systems. by Behzad Akbari Fall 2011. NM Tools and Systems. Network Management Tools Network Statistics Measurement Systems Enterprise Management Systems. Network Management Tools. NOC Tools (RFC 1470). Network Monitoring Tools.

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Subnetting, ICMP, NAT, BOOTP

Subnetting, ICMP, NAT, BOOTP. Network Protocols and Standards Autumn 2004-2005. Subnet Routing. Conventional routing table entry (network address, next hop address) Network address format is predetermined for a given class (e.g., first 16 bits for class B addresses!)

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SYSTEMS ADMIN TRAINING WORKSHOP

SYSTEMS ADMIN TRAINING WORKSHOP. University Computing Centre. Overview. Introduction Doing Basic Cable and Link Tests Testing Your NIC Testing Network Connectivity Detecting Network Congestion Packet Capturing Basic DNS Troubleshooting. Introduction. Two Network related problems

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Hands-On Ethical Hacking and Network Defense

Chapter 5 Port Scanning. Hands-On Ethical Hacking and Network Defense. Objectives. Describe port scanning Describe different types of port scans Describe various port-scanning tools Explain what ping sweeps are used for Explain how shell scripting is used to automate security tasks.

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Intrusion Detection Systems

Intrusion Detection Systems. Francis Chang <francis@cse.ogi.edu> Systems Software Lab OGI. [1] M. Crosbie, B. Kuperman, " A Building Block Approach to Intrusion Detection " [2] M. Wetz, Andrew Hutchison, " Interfacing Trusted Applications with Intrusion Detection Systems "

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Firewalls

Firewalls. Firewalls. Firewall hardware/software choke point between secured and unsecured network filter incoming and outgoing traffic prevent communications which are forbidden by the security policy What it can be used to do

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ICMP : Internet Control Message Protocol

ICMP : Internet Control Message Protocol. Introduction. ICMP is often considered part of the IP layer. It communicates error messages and other conditions that require attention. ICMP messages are usually acted on by either IP layer or the higher layer protocol. IP header (20 byte).

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Computer System Security CSE 5339/7339

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CDPA 網管訓練

CDPA 網管訓練. 駭客任務 2 Ethernet Switching ARP, IP, LAN, Subnet IP Header, Routing ICMP. cooldavid@cdpa.nsysu.edu.tw 2006.03.23. 今日目標. 複習 & 補充 Ethernet Switching ARP 了解 IP Header Gateway (Routing) Subnet ICMP Echo 工具 Nemesis Tcpdump. Ethernet switching. Ethernet HUB.

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Some Basics of Venture Capital

Some Basics of Venture Capital. Michael Kearns Chief Technology Officer Syntek Capital. Outline. The basics: how VC works Case study: DDoS defense companies. What is Venture Capital?. Private or institutional investment ( capital ) in relatively early-stage companies ( ventures )

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Firewalls

Firewalls. CS 772 Fall 2007. Introduction. Any device, software, or arrangement that limits network access. Categories: Packet filtering (Network level) Circuit gateways Application gateways Dynamic packet filter (Packet filter + circuit-level gateway). Packet Filters.

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Carla Brodley, Sonia Fahmy, Cristina Nita-Rotaru, Catherine Rosenberg Current Students : Roman Chertov, Yu-Chun Mao, Ke

Carla Brodley, Sonia Fahmy, Cristina Nita-Rotaru, Catherine Rosenberg Current Students : Roman Chertov, Yu-Chun Mao, Kevin Robbins Undergraduate Student : Christopher Kanich June 9 th , 2004. DDoS Experiments with Third Party Security Mechanisms. Year 1 Objectives.

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Security News

Security News. Source Courtesy: http://www.informationweek.com/story/showArticle.jhtml?articleID=192701817&cid=RSSfeed_IWK_News. Real World Scenario of DoS Attacks.

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Distributed Denial of Service Attacks

Distributed Denial of Service Attacks. Shankar Saxena Veer Vivek Kaushik. Agenda . Introduction and Famous Attacks How Attack Takes Place Types of DDOS Attacks Smurfing UDP Flooding TCP SYN Flooding. Introduction.

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Actual Cisco 200-105 Exam Questions - Pass In First Attempt

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Grep

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