Absolute OpenBSD

OpenBSD is the most secure operating system in the world, with fewer security holes than any variety of Linux or Windows. Developed with rigorous attention to correctness, security, and reliability, OpenBSD is free for any use, for any purpose, by anyone, anywhere. OpenBSD runs on a wide variety of computer hardware, from ten-year-old personal computers to high-end servers.
Absolute OpenBSD is a straightforward, practical, and complete guide to mastering this powerful and complex operating system. Developed with the support of the OpenBSD community, this book takes you through the intricacies of the platform and teaches you how to manage every aspect of your system.
Learn how to:

- Install and configure OpenBSD, in both dedicated and multi-boot install
- Implement security features found only in OpenBSD, such as Systrace, a system call access manager
- Build firewalls with pf, the innovative packet filter, that are more flexible than the commercial one
- Make software management quick and effective using the ports and packages system
- Encrypt filesystems and disk swap for better system security
- Upgrade your OpenBSD system painlessly using either CD-ROM, FTP, or the original source code
Put your practical paranoia to good use with Absolute OpenBSD.