Absolute OpenBSD, 2nd Edition Unix for the Practical Paranoid

OpenBSD, the elegant, highly secure Unix-like operating system, is widely used as the basis for critical DNS servers, routers, firewalls, and more. But it can be even trickier to use than either Unix or Linux, and even harder to master. From Michael W. Lucas, author of Absolute FreeBSD, Network Flow Analysis, Cisco Routers for the Desperate, and PGP & GPG, comes the long-awaited revision of the classic guide to OpenBSD. This straightforward and practical guide is for the experienced UNIX user who wants to add OpenBSD to his or her repertoire. Lucas takes you through the intricacies of the platform, offering thorough explanations, technical background, best practices, and copious humor throughout. Absolute OpenBSD, 2nd Edition is completely updated to cover OpenBSD 5.3 and includes new coverage of OpenBSD's boot system, security features like W^X and ProPolice, and advanced networking techniques. Whether you're a new user looking for a complete introduction to OpenBSD, or an experienced sysadmin looking for a refresher, Absolute OpenBSD, 2nd Edition will give you everything you need to master the world's most secure operating system.

Michael W. Lucas is a network/security engineer with extensive experience working with high-availability systems. He is the author of the critically acclaimed Absolute BSD, Absolute OpenBSD, Cisco Routers for the Desperate, and PGP & GPG, all from No Starch Press.

Introduction
Chapter 1: Getting Additional Help
Chapter 2: Installation Preparations
Chapter 3: Installation Walk-Through
Chapter 4: Post-Install Setup
Chapter 5: The Boot Process
Chapter 6: User Management
Chapter 7: Root, and How to Avoid It
Chapter 8: Disks and Filesystems
Chapter 9: More Filesystems
Chapter 10: Securing Your System
Chapter 11: Overview of TCP/IP
Chapter 12: Connecting to the Network
Chapter 13: Software Management
Chapter 14: Everything /etc
Chapter 15: System Maintenance
Chapter 16: Network Servers
Chapter 17: Desktop OpenBSD
Chapter 18: Kernel Configuration
Chapter 19: Building Custom Kernels
Chapter 20: Upgrading
Chapter 21: Packet Filtering
Chapter 22: Advanced PF
Chapter 23: Customizing OpenBSD Afterword