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Linux Security HOWTO

Kevin Fenzi, kevin-securityhowto@tummy.com & Dave Wreski, dave@linuxsecurity.com

v1.3.1, 11 February 2002

This document is a general overview of security issues that face the administrator of Linux systems. It covers general security philosophy and a number of specific examples of how to better secure your Linux system from intruders. Also included are pointers to security-related material and programs. Improvements, constructive criticism, additions and corrections are gratefully accepted. Please mail your feedback to both authors, with "Security HOWTO" in the subject.

1. Introduction

2. Overview

3. Physical Security

4. Local Security

5. Files and File system Security

6. Password Security and Encryption

7. Kernel Security

8. Network Security

9. Security Preparation (before you go on-line)

10. What To Do During and After a Breakin

11. Security Sources

12. Glossary

13. Frequently Asked Questions

14. Conclusion

15. Acknowledgments

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