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Lecture 4 Overview. Ethernet Data Link Layer protocol Ethernet (IEEE 802.3) is widely used Supported by a variety of physical layer implementations Multi-access.
Lecture 3 TCP/IP model CPE 401 / 601 Computer Network Systems slides are modified from Dave Hollinger.
1 Final Lecture: Course Overview COS 461: Computer Networks Spring 2008 (MW 1:30-2:50 in COS 105) Jennifer Rexford Teaching Assistants: Sunghwan Ihm and.
ARIN Policies and Guidelines An Introduction Presented by Richard Jimmerson Director of Operations NANOG 22Scottsdale, AZ.
Polytechnic University Attacks 1 Attacks & Hacker Tools r Reconnaissance r Network mapping r Port scanning r Sniffing Before talking about defenses, need.
Find out initial information ◦ Open Source ◦ Whois ◦ Nslookup Find out address range of the network ◦ ARIN (American registry for internet numbers)
Mr. Mark Welton. Why IPv6? Ipv4 is a 32-bit addresses This is 4,294,967,296 (4.2 x10 9 ) IP addresses Large blocks are considered wither reserved.
Information Gathering Lesson 4. Steps for Gathering Information Find out initial information Open Source Whois Nslookup Find out address range of the.
CSCE 515: Computer Network Programming Wenyuan Xu wyxu/csce515f07.html Department of Computer Science and Engineering University.
91.580.203 Computer & Network Forensics
Objectives