Operating System vs. Network Security

8/13/97


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Table of Contents

Operating System vs. Network Security

Security: The Goal

Real-World Security

Dangers

Vulnerabilities

Defensive strategies

The Access Control Model

Mechanisms

Levels of Security

Why We Don’t Have “Real” Security

Operating System Security

NT Domain Security

Distributed Systems Are Different

Web Server Security Today

Web Browser Security Today

Principals

What Principals Do

Secure Channel

Speaks For

Secure Channels via Encryption

Authorization with ACLs

Names and Name Spaces: SDSI/SPKI

Authenticating a Channel

Checking Access

What about OS?

Groups and Group Credentials

Authenticating Systems

Auditing

Implement: Tools and Assurance

References

Author: Butler Lampson