Security At NCAR

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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

Author: Pete Siemsen