Table of Contents
Security At NCAR
NCAR’s Environment
Obstacles to Implementing Security
Motivation to Get Serious About Security
Getting Started
NCAR Security Committee
The Security Policy
Define Scope of Problem
Define Scope of Solution
Basic Solutions at NCAR
One-Time Passwords
One-time Passwords
Switched LANs
Switched LANs
Packet Filtering
Filters: Router-Based Firewall
PPT Slide
PPT Slide
Packet Filtering At NCAR
Filter Stance: Strong or Weak?
Firewall Flexibility Needed
Firewall Flexibility Needed (cont.)
PPT Slide
Implementing Flexibility
Implementing Flexibility
Example Filter Statistics
PPT Slide
Exposed Hosts
Application-Proxy Gateways
PPT Slide
What They Are & Do
Security Administrator
Security Administrator
Impacts of NCAR’s Security
Benefits
Drawbacks
Drawbacks (cont.)
Wrapup
Security is Never “Done”
Security is Never “Done” (cont.)
Conclusion
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