Linux Security Cookbook

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Linux Security Cookbook

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General Information

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Type.................: Ebook

Part Size............: 672,975 bytes



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Posted by............: ~tqw~



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Release Notes

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Synopsis



Computer security is an ongoing process, a relentless contest between system

administrators and intruders. A good administrator needs to stay one step ahead

of any adversaries, which often involves a continuing process of education. If

you're grounded in the basics of security, however, you won't necessarily want a

complete treatise on the subject each time you pick up a book. Sometimes you

want to get straight to the point. That's exactly what the new Linux Security

Cookbook does. Rather than provide a total security solution for Linux

computers, the authors present a series of easy-to-follow recipes--short,

focused pieces of code that administrators can use to improve security and

perform common tasks securely.



The Linux Security Cookbook includes real solutions to a wide range of targeted

problems, such as sending encrypted email within Emacs, restricting access to

network services at particular times of day, firewalling a webserver, preventing

IP spoofing, setting up key-based SSH authentication, and much more. With over

150 ready-to-use scripts and configuration files, this unique book helps

administrators secure their systems without having to look up specific syntax.

The book begins with recipes devised to establish a secure system, then moves on

to secure day-to-day practices, and concludes with techniques to help your

system stay secure.



Some of the "recipes" you'll find in this book are:



Controlling access to your system from firewalls down to individual services,

using iptables, ipchains, xinetd, inetd, and more



Monitoring your network with tcpdump, dsniff, netstat, and other tools



Protecting network connections with Secure Shell (SSH) andstunnel



Safeguarding email sessions with Secure Sockets Layer (SSL)



Encrypting files and email messages with GnuPG



Probing your own security with password crackers, nmap, and handy scripts



This cookbook's proven techniques are derived from hard-won experience. Whether

you're responsible for security on a home Linux system or for a large

corporation, or somewhere in between, you'll find valuable, to-the-point,

practical recipes for dealing with everyday security issues. This book is a

system saver.



Table of Contents

Preface

1 System Snapshots with Tripwire 1

2 Firewalls with iptables and ipchains 23

3 Network Access Control 49

4 Authentication Techniques and Infrastructures 72

5 Authorization Controls 102

6 Protecting Outgoing Network Connections 124

7 Protecting Files 147

8 Protecting Email 175

9 Testing and Monitoring 202

Index 283



Product Details



* ISBN: 0596003919

* ISBN-13: 9780596003913

* Format: Paperback, 332pp

* Publisher: O'Reilly Media, Incorporated

* Pub. Date: May 2003



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