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DePaul University. A Network Case Study John Kristoff <[email protected]> http://condor.depaul.edu/~jkristof/. Organizational Structure. Another View. Network Overview Spring 1999. Network Overview Spring 2000. Gigabit WAN. Lincoln Park Infrastructure. Expansion and Renovation

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depaul university

DePaul University

A Network Case Study

John Kristoff <[email protected]>

http://condor.depaul.edu/~jkristof/

John Kristoff

another view
Another View

John Kristoff

gigabit wan
Gigabit WAN

John Kristoff

lincoln park infrastructure
Lincoln Park Infrastructure
  • Expansion and Renovation
  • Network Connectivity Costs
  • Network Connectivity Options
  • Approximately 30 buildings to connect!

John Kristoff

network security spring 1999
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

network security first steps
Network SecurityFirst Steps
  • Compromised systems rebuilt
  • Routers/Switches secured
  • Router filters applied
  • Network equipment logging enabled
  • Scare tactics used

John Kristoff

computer security today
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

computer security tomorrow
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

bandwidth management
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

some of my favorite network tools
Some of My Favorite Network Tools
  • MRTG
  • Netflow data
  • syslog
  • NTP
  • nmap
  • packet capture (Sniffer, tcpdump, etc.)
  • documentation!

John Kristoff

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