'Source addresses' presentation slideshows

CS363

Week 10 - Friday. CS363. Last time. What did we talk about last time? Eavesdropping and wiretapping Network threats Network controls. Questions?. Project 3. Assignment 4. Access controls on routers. Routers want to block packet floods from affecting the servers behind the router

1.18k views • 106 slides

Network+ Guide to Networks 5 th Edition

Network+ Guide to Networks 5 th Edition. Chapter 12 Network Security. Objectives. Identify security risks in LANs and WANs and design security policies that minimize risks Explain how physical security contributes to network security Discuss hardware- and design-based security techniques

1.34k views • 89 slides

P561: Network Systems Week 3: Internetworking I

P561: Network Systems Week 3: Internetworking I. Tom Anderson Ratul Mahajan TA: Colin Dixon. Limits of a single wire LAN. One wire can limit us in terms of: Distance Number of nodes Performance How do we scale to a larger, faster network?. wire. Switch or Hub. nodes.

927 views • 80 slides

A Wavelet Approach to Network Intrusion Detection

A Wavelet Approach to Network Intrusion Detection. W. Oblitey & S. Ezekiel IUP Computer Science Dept. Intrusion Detection: . Provides monitoring of system resources to help detect intrusion and/or identify attacks. Complimentary to blocking devices. Insider attacks.

1.02k views • 76 slides

CSCI -2950-u Switching and Routing Overview

CSCI -2950-u Switching and Routing Overview. Rodrigo Fonseca. Most slides from CS-168. Switched Ethernet. Most common link layer today Most popular bandwidths: 1Gbps, 10Gbps, 40Gbps growing All switched, in practice No CSMA-CD. Ethernet Addressing.

527 views • 41 slides

Defensive Measures for DDoS

Defensive Measures for DDoS. By Farhan Mirza. Contents. Survey Topics Introduction Common Target of DoS Attacks DoS Tools Defensive Measures & Their Vulnerabilities Honeypot for DDoS Honeypot implementation Issues & Concerns Conclusion. Survey Topic. Paper 1

519 views • 39 slides

IPv6 Source Address Validation and IETF Efforts

540 views • 32 slides

Chapter 5 Network Security Protocols in Practice Part I

Chapter 5 Network Security Protocols in Practice Part I. Chapter 5 Outline. 5.1 Crypto Placements in Networks 5.2 Public-Key Infrastructure 5.3 IPsec: A Security Protocol at the Network Layer 5.4 SSL/TLS: Security Protocols at the Transport Layer

567 views • 27 slides

?????????

?????????. 4.NAT ??????. ??????. [RFC 1918] ??????? (private address). 10.0.0.0 ? 10.255.255.255 172.16.0.0 ? 172.31.255.255 192.168.0.0 ? 192.168.255.255 ?????????????????????????????????? ???????????????????????????????????????????????????????. NAT ???. Traditional NAT

387 views • 24 slides

A Brief History of Distributed Denial of Service Attacks

493 views • 22 slides

Computer Security: Principles and Practice

376 views • 22 slides

Understanding Current Situation of Public Wi-Fi Usage - Possible Requirements for HEW -

Understanding Current Situation of Public Wi-Fi Usage - Possible Requirements for HEW -. Date: 2013-05-12. Authors:. Introduction. Problem Stating So many public Wi-Fi spots have been deployed in Japan. However, they have not been used so much as we expected. Why??

289 views • 21 slides

IP Spoo?ng Defense

IP Spoo?ng Defense. On the State of IP Spoo?ng Defense TOBY EHRENKRANZ and JUN LI University of Oregon. Outlines. IP Spoo?ng. Impersonation. Re?ection. Hiding. IP Spoo?ng Defense. host-based Defense Methods. Cryptographic Solutions. SYN Cookies. IP Puzzles.

400 views • 21 slides

Connecting the Dots in Cyber Intelligence: How Real is the threat to the Critical Infrastructure? FOURTH INTERNATIONAL

April 12-15, 2010 Garmisch-Partenkirchen, Germany. Sanjay Goel School of Business University at Albany, SUNY. Connecting the Dots in Cyber Intelligence: How Real is the threat to the Critical Infrastructure? FOURTH INTERNATIONAL FORUM. SCADA Systems Infrastructure Risk.

365 views • 20 slides

Chapter 4: Managing LAN Traffic

Chapter 4: Managing LAN Traffic. Frames. Frame is the term used to describe data transmitted at Layer 2 of the OSI model. The source and destination addresses are MAC addresses .

345 views • 16 slides

Network-Based Denial of Service Attacks

298 views • 16 slides

Network-Based Denial of Service Attacks

Network-Based Denial of Service Attacks. Trends, Descriptions, and How to Protect Your Network Craig A. Huegen <chuegen@cisco.com> Cisco Systems, Inc. NANOG 12 Interprovider Operations BOF. 980209_dos.ppt. Trends. Significant increase in network-based DoS attacks over the last year

292 views • 16 slides

Network-Based Denial of Service Attacks

242 views • 16 slides

Routing Loops using ISATAP and 6to4 : Problem Statement and Proposed Solutions

Routing Loops using ISATAP and 6to4 : Problem Statement and Proposed Solutions. The Problem. Root Causes. A router does not know which end nodes currently participate in the tunnel. An attacker can easily spoof source addresses. Proposed Solutions. Neighbor cache check

146 views • 4 slides

Software Security

Software Security. Updates. Java Software Patching. WebSense. Helping DDOS. Best Current Practice (BCP) 38 Released May 2000!!!!

125 views • 3 slides