Overview

"The definitive guide to OpenBSD Foreword by Henning Brauer, OpenBSD PF Developer OpenBSD, the elegant, highly secure Unix-like operating system, is widely used as the basis for critical DNS servers, routers, firewalls, and more. This long-awaited second edition of Absolute OpenBSD maintains author Michael Lucas's trademark straightforward and practical approach that readers have enjoyed for years. You'll learn the intricacies of the platform, the technical details behind certain design decisions, and best practices, with bits of humor sprinkled throughout. This edition has been completely updated for OpenBSD 5.3, including new coverage of OpenBSD's boot system, security features like W^X and ProPolice, and advanced networking techniques. You'll learn how to: * Manage network traffic with VLANs, trunks, IPv6, and the PF packet filter * Make software management quick and effective using the ports and packages system * Give users only the access they need with groups, sudo, and chroots * Configure OpenBSD's secure implementations of SNMP, DHCP, NTP, hardware sensors, and more * Customize the installation and upgrade processes for your network and hardware, or build a custom OpenBSD release 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 intricacies of the world's most secure operating system. ""The definitive book on OpenBSD gets a long-overdue refresh."" -Theo de Raadt, OpenBSD Founder"

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9781593274764

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Reviews

"""Michael Lucas's books are good enough to raise national productivity statistics. Every copy of OpenBSD should be bundled with this book."" —Richard Bejtlich, CSO of Mandiant, TaoSecurity blogger, and author of The Practice of Network Security Monitoring ""After 13 years of using OpenBSD, I learned something new and useful!"" —Peter Hessler, OpenBSD Journal ""The OpenBSD world, myself included, has been waiting for an update to Absolute OpenBSD for years. Michael Lucas tackles OpenBSD topics in ways that are bound to inspire the learner and warm the hearts of Unix greybeards."" —Peter Hansteen, author of The Book of PF ""Michael Lucas is a layperson's tutor, sitting next to you in front of an OpenBSD box and working through the same issues the average sysadmin does."" —George Rosamond, founding member of the NYC*BSD User Group ""This is truly an excellent book. It's full of essential material on OpenBSD presented with a sense of humor and an obvious deep knowledge of how this OS works. I doubt that a better book on OpenBSD could be written."" —Sandra Henry-Stocker, ITworld ""Lucas has a sense of humour and that makes what would otherwise be a dry look at the nuts and bolts of an open source operating system a surprisingly fun journey. I certainly recommend the book for administrators."" —Jesse Smith, DistroWatch ""The second edition of Absolute OpenBSD delivers an updated tour of OpenBSD with great attention to detail and zero hand-waving. Mr. Lucas and No Starch Press have once again demonstrated exemplary respect and loyalty to OpenBSD and the BSD community."" —Michael Dexter, Call For Testing ""If you use OpenBSD, and have not yet achieved guru status, yes, this book is just for you. Even gurus will find valuable things in this book that they did not know."" —Warren Block"

Author Information

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.

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