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Enhancing Networks: Learnings from DePaul's Case Study

Explore the network case study conducted by John Kristoff at DePaul University. Learn about organizational structure, network security, bandwidth management, and favorite network tools. Discover insights on network connectivity costs, expansion, security incidents, and future security measures.

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Enhancing Networks: Learnings from DePaul's Case Study

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  1. DePaul University A Network Case Study John Kristoff <jtk@depaul.edu> http://condor.depaul.edu/~jkristof/ John Kristoff

  2. Organizational Structure John Kristoff

  3. Another View John Kristoff

  4. Network OverviewSpring 1999 John Kristoff

  5. Network OverviewSpring 2000 John Kristoff

  6. Gigabit WAN John Kristoff

  7. Lincoln Park Infrastructure • Expansion and Renovation • Network Connectivity Costs • Network Connectivity Options • Approximately 30 buildings to connect! John Kristoff

  8. Network SecuritySpring 1999 • DNS server compromised - GAME OVER! • Lack of awareness/expertise • No computer security person/team • Security incidents were never reported by an I.S. staff member John Kristoff

  9. Network SecurityFirst Steps • Compromised systems rebuilt • Routers/Switches secured • Router filters applied • Network equipment logging enabled • Scare tactics used John Kristoff

  10. Computer SecurityToday • Incident response team formed • Directive from VP • Use of encryption increasing • Staff participating in training and industry events • Regular network security audits • Awareness is built! John Kristoff

  11. Computer SecurityTomorrow • Sophisticated intrusion detection system • Firewalls in front of key resources • Membership into FIRST.org • More encryption • Revised and updated policies • More secure systems and network! John Kristoff

  12. Bandwidth Management • Internet bandwidth is our last mile • Difficult to provide fairness • ResNet • many shared LANs • many users suffer! • Throw bandwidth at the problem? • No silver bullet today John Kristoff

  13. Some of My Favorite Network Tools • MRTG • Netflow data • syslog • NTP • nmap • packet capture (Sniffer, tcpdump, etc.) • documentation! John Kristoff

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