Linux Server Security (2nd Revised edition)

Linux Server Security (2nd Revised edition)

By: Michael Bauer (author)Paperback

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Description

Linux consistently appears high up in the list of popular Internet servers, whether it's for the Web, anonymous FTP, or general services such as DNS and delivering mail. But security is the foremost concern of anyone providing such a service. Any server experiences casual probe attempts dozens of time a day, and serious break-in attempts with some frequency as well. This highly regarded book, originally titled Building Secure Servers with Linux, combines practical advice with a firm knowledge of the technical tools needed to ensure security. The book focuses on the most common use of Linux--as a hub offering services to an organization or the Internet--and shows readers how to harden their hosts against attacks. An all-inclusive resource for Linux users who wish to harden their systems, Linux Server Security covers general security such as intrusion detection and firewalling a hub, as well as key services such as DNS, the Apache Web server, mail, and secure shell. Author Michael D. Bauer, a security consultant, network architect, and lead author of the popular Paranoid Penguin column in the Linux Journal, carefully outlines the security risks, defines precautions that can minimize those risks, and offers recipes for robust security. He is joined on several chapters by administrator and developer Bill Lubanovic. A number of new security topics have been added for this edition, including: Database security, with a focus on MySQL Using OpenLDAP for authentication An introduction to email encryption The Cyrus IMAP service, a popular mail delivery agent The vsftpd FTP server Geared toward Linux users with little security expertise, the author explains security concepts and techniques in clear language, beginning with the fundamentals. Linux Server Security with Linux provides a unique balance of "big picture" principles that transcend specific software packages and version numbers, and very clear procedures on securing some of those software packages on several popular distributions. With this book in hand, you'll have both the expertise and the tools to comprehensively secure your Linux system.

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About Author

Michael D. Bauer is a network and Unix systems security consultant for Upstream Solutions, Inc. in Minneapolis, Minnesota. He is also Security Editor for Linux Journal Magazine, and author of its monthly "Paranoid Penguin" security column. Mick's areas of expertise include Linux security and general Unix security, network (TCP/IP) security, security auditing, and the development of security policies and awareness programs.

Contents

Preface 1. Threat Modeling and Risk Management Components of Risk Simple Risk Analysis: ALEs An Alternative: Attack Trees; Defenses Conclusion Resources 2. Designing Perimeter Networks Some Terminology Types of Firewall and DMZ Architectures Deciding What Should Reside on the DMZ Allocating Resources in the DMZ The Firewall 3. Hardening Linux and Using iptables OS Hardening Principles Automated Hardening with Bastille Linux 4. Secure Remote Administration Why It's Time to Retire Cleartext Admin Tools Secure Shell Background and Basic Use Intermediate and Advanced SSH 5. OpenSSL and Stunnel; Stunnel and OpenSSL: Concepts 6. Securing Domain Name Services (DNS) DNS Basics DNS Security Principles Selecting a DNS Software Package Securing BIND djbdns Resources; 7. Using LDAP for Authentication LDAP Basics Setting Up the Server LDAP Database Management Conclusions Resources; 8. Database Security Types of Security Problems Server Location Server Installation Database Operation; Resources 9. Securing Internet Email Background: MTA and SMTP Security Using SMTP Commands to Troubleshoot and Test SMTP Servers; Securing Your MTA Sendmail Postfix Mail Delivery Agents; A Brief Introduction to Email Encryption Resources 10. Securing Web Servers Web Security The Web Server Web Content; Web Applications Layers of Defense Resources 11. Securing File Services FTP Security Other File-Sharing Methods; Resources 12. System Log Management and Monitoring syslog; Syslog-ng Testing System Logging with logger Managing System Logfiles with logrotate Using Swatch for Automated Log Monitoring; Some Simple Log-Reporting Tools Resources 13. Simple Intrusion Detection Techniques Principles of Intrusion Detection Systems; Using Tripwire Other Integrity Checkers Snort Resources Appendix:. Two Complete iptables Startup Scripts Index

Product Details

  • publication date: 21/01/2005
  • ISBN13: 9780596006709
  • Format: Paperback
  • Number Of Pages: 544
  • ID: 9780596006709
  • weight: 858
  • ISBN10: 0596006705
  • edition: 2nd Revised edition

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