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Enhancing Network Security for Telecom Services

Explore challenges in network architecture, security, and management with case studies on improving network security for telecom services at DePaul University. Learn about future trends, policies, and technologies for safeguarding networks. Presented by DePaul University's Networks and Telecom team.

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Enhancing Network Security for Telecom Services

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  1. DePaul University Networks and Telecom John Kristoff <jtk@depaul.edu> John Ourada <john_ourada@depaul.edu> Joseph Salwach <jsalwach@wppost.depaul.edu>

  2. Organizational Structure

  3. Another View

  4. Telecom Services • Dial tone • Voice mail • Calling Cards • Directories • Equipment

  5. Networks • TCP/IP connectivity • Novell File and Print • Internet Access • Dial-up • Cabling and connectivity

  6. Network Architecture

  7. Challenges • Redundancy/Fault Tolerance • Security • Money Supply • Multimedia Enabled • Bandwidth • Proactive Network Management • Building Management

  8. Case Study: Network Security • Spring 1999: Managed by complaint • Lack of basic protections and tools • Logging • Patches • Breaches widespread and unnoticed! • Lack of awareness • “If it’s not broken, don’t fit it”

  9. Case Study [continued] • Summer 1999: Awareness • Routers secured first • logging • filters • Education and Awareness • Proactive use of logs • Critical systems updated/protected

  10. Case Study [continued] • Future: 2000 and beyond • Network Security Policy • Training and Education • Tools • Updated Roles and Responsibilities • Industry Participation • The Almighty Dollar!

  11. What about the cool stuff? • Integrated Services/Multimedia Network • Gigabit LAN/WAN Speeds • Wireless WANs • xDSL • Internet2

  12. Thank You! Questions/Comments?

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