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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


Organizational structure

Organizational Structure

John Kristoff


Another view

Another View

John Kristoff


Network overview spring 1999

Network OverviewSpring 1999

John Kristoff


Network overview spring 2000

Network OverviewSpring 2000

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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