Linux Server Security, Second Edition

This is the Title of the Book, eMatter Edition

Copyright © 2007 O’Reilly & Associates, Inc. All rights reserved.

Preface

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xi

hosts. Linux Journal generously granted me permission to adapt my columns for

such a book, and under the foolish belief that writing one would amount mainly to

knitting the columns together, updating them, and adding one or two new topics, I

proposed this book to O’Reilly, and they accepted.

Predictably, the book project was exponentially more work than I could have imag-

ined. I spent a great deal of effort re-researching and expanding all of it, including

retesting all examples and procedures. I added entire (lengthy) chapters on topics I

hadn’t yet covered at all in the magazine, and I more than doubled the size and scope

of others. In short, I allowed this to become The Book That Ate My Life in the hope

of reducing the number of ugly security surprises in my readers’ lives.

The Second Edition

I’d be out of character if I started doing things the smart and easy way, like writing a

second edition by simply updating the old material and fixing the errata. No, besides

changing the title and updating and revalidating the old material, I’ve added:

• An all-new chapter on using LDAP for authentication services

• An all-new chapter by Bill Lubanovic on database security

• Lengthy sections in Chapter 9 on LDAP and Cyrus-Imapd, plus an introduction

to email encryption

• Comprehensive ...