1. April 25, 2000John Kristoff1 DePaul University A Network Case Study John Kristoff http://condor.depaul.edu/~jkristof/

2. April 25, 2000John Kristoff2 Organizational Structure

3. April 25, 2000John Kristoff3 Another View

4. April 25, 2000John Kristoff4 Network Overview Spring 1999

5. April 25, 2000John Kristoff5 Network Overview Spring 2000

6. April 25, 2000John Kristoff6 Gigabit WAN

7. April 25, 2000John Kristoff7 Lincoln Park Infrastructure zExpansion and Renovation zNetwork Connectivity Costs zNetwork Connectivity Options zApproximately 30 buildings to connect!

8. April 25, 2000John Kristoff8 Network Security Spring 1999 zDNS server compromised - GAME OVER! zLack of awareness/expertise zNo computer security person/team zSecurity incidents were never reported by an I.S. staff member

9. April 25, 2000John Kristoff9 Network Security First Steps zCompromised systems rebuilt zRouters/Switches secured zRouter filters applied zNetwork equipment logging enabled zScare tactics used

10. April 25, 2000John Kristoff10 Computer Security Today zIncident response team formed zDirective from VP zUse of encryption increasing zStaff participating in training and industry events zRegular network security audits zAwareness is built!

11. April 25, 2000John Kristoff11 Computer Security Tomorrow zSophisticated intrusion detection system zFirewalls in front of key resources zMembership into FIRST.org zMore encryption zRevised and updated policies zMore secure systems and network!

12. April 25, 2000John Kristoff12 Bandwidth Management zInternet bandwidth is our last mile zDifficult to provide fairness zResNet ymany shared LANs ymany users suffer! zThrow bandwidth at the problem? zNo silver bullet today

13. April 25, 2000John Kristoff13 Some of My Favorite Network Tools zMRTG zNetflow data zsyslog zNTP znmap zpacket capture (Sniffer, tcpdump, etc.) zdocumentation!