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The Openbsd Pf Packet Filter Book

The Openbsd Pf Packet Filter Book PDF Author: Jeremy C. Reed
Publisher:
ISBN: 9780979034206
Category : Computers
Languages : en
Pages : 196

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Book Description
The OpenBSD PF Packet Filter Book introduces the common features and capabilities of PF and its related tools with many examples and steps for configuring and using PF on NetBSD, FreeBSD, DragonFly and OpenBSD. OpenBSD's PF is a proven, powerful, high-performance, and innovative packet filter which provides stateful packet filtering, network address translation (NAT), port forwarding, passive operating system fingerprinting, packet queueing and quality of service (QoS), load balancing, redundant firewalls, and more. The OpenBSD PF Packet Filter Book is based on the PF FAQ and adds new chapters, images, ample cross-referencing, detailed index, and new content covering the spam deferral daemon and setting up PF on NetBSD, FreeBSD and DragonFly.

The Openbsd Pf Packet Filter Book

The Openbsd Pf Packet Filter Book PDF Author: Jeremy C. Reed
Publisher:
ISBN: 9780979034206
Category : Computers
Languages : en
Pages : 196

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Book Description
The OpenBSD PF Packet Filter Book introduces the common features and capabilities of PF and its related tools with many examples and steps for configuring and using PF on NetBSD, FreeBSD, DragonFly and OpenBSD. OpenBSD's PF is a proven, powerful, high-performance, and innovative packet filter which provides stateful packet filtering, network address translation (NAT), port forwarding, passive operating system fingerprinting, packet queueing and quality of service (QoS), load balancing, redundant firewalls, and more. The OpenBSD PF Packet Filter Book is based on the PF FAQ and adds new chapters, images, ample cross-referencing, detailed index, and new content covering the spam deferral daemon and setting up PF on NetBSD, FreeBSD and DragonFly.

The Book of PF

The Book of PF PDF Author: Peter N. M. Hansteen
Publisher: No Starch Press
ISBN: 1593271654
Category : Computers
Languages : en
Pages : 188

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Book Description
Provides information on building networks with PF, covering such topics as creating a wireless access point, using tables and proactive defense against spammers, and setting up queries and traffic shaping with ALTQ.

The Book of PF, 2nd Edition

The Book of PF, 2nd Edition PDF Author: Peter N. M. Hansteen
Publisher: No Starch Press
ISBN: 159327274X
Category : Computers
Languages : en
Pages : 220

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Book Description
This second edition is an up-to-date, no-nonsense guide to harnessing the power of PF. The author covers NAT (network address translation) and redirection, wireless networking, SPAM fighting, failover provisioning, logging, and more.

The Book of PF, 3rd Edition

The Book of PF, 3rd Edition PDF Author: Peter N.M. Hansteen
Publisher: No Starch Press
ISBN: 1593276214
Category : Computers
Languages : en
Pages : 248

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Book Description
OpenBSD’s stateful packet filter, PF, is the heart of the OpenBSD firewall. With more and more services placing high demands on bandwidth and an increasingly hostile Internet environment, no sysadmin can afford to be without PF expertise. The third edition of The Book of PF covers the most up-to-date developments in PF, including new content on IPv6, dual stack configurations, the "queues and priorities" traffic-shaping system, NAT and redirection, wireless networking, spam fighting, failover provision ing, logging, and more. You’ll also learn how to: –Create rule sets for all kinds of network traffic, whether crossing a simple LAN, hiding behind NAT, traversing DMZs, or spanning bridges or wider networks –Set up wireless networks with access points, and lock them down using authpf and special access restrictions –Maximize flexibility and service availability via CARP, relayd, and redirection –Build adaptive firewalls to proactively defend against attackers and spammers –Harness OpenBSD’s latest traffic-shaping system to keep your network responsive, and convert your existing ALTQ configurations to the new system –Stay in control of your traffic with monitoring and visualization tools (including NetFlow) The Book of PF is the essential guide to building a secure network with PF. With a little effort and this book, you’ll be well prepared to unlock PF’s full potential.

Building firewalls with OpenBSD and PF

Building firewalls with OpenBSD and PF PDF Author: Jacek Artymiak
Publisher: Jack Artymiak
ISBN: 9788391665114
Category : Computers
Languages : en
Pages : 340

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Book Description
Written by Jacek Artymiak, a frequent contributor to ONLamp.com, Building Firewalls with OpenBSD and PF is the first and only print publication devoted solely to the subject of the pf packet filter used in OpenBSD, FreeBSD, and NetBSD operating systems. Topics covered include: firewall design, ruleset syntax, packet normalization (scrubbing), packet redirection (masquerading), packet filtering, bandwidth management (ALTQ), load balancing, and more. The author maintains a web site and a mailing list for the readers of his book.

Absolute OpenBSD, 2nd Edition

Absolute OpenBSD, 2nd Edition PDF Author: Michael W. Lucas
Publisher: No Starch Press
ISBN: 1593274769
Category : Computers
Languages : en
Pages : 540

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Book Description
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.

Mastering FreeBSD and OpenBSD Security

Mastering FreeBSD and OpenBSD Security PDF Author: Yanek Korff
Publisher: "O'Reilly Media, Inc."
ISBN: 1449369588
Category : Computers
Languages : en
Pages : 466

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Book Description
FreeBSD and OpenBSD are increasingly gaining traction in educational institutions, non-profits, and corporations worldwide because they provide significant security advantages over Linux. Although a lot can be said for the robustness, clean organization, and stability of the BSD operating systems, security is one of the main reasons system administrators use these two platforms.There are plenty of books to help you get a FreeBSD or OpenBSD system off the ground, and all of them touch on security to some extent, usually dedicating a chapter to the subject. But, as security is commonly named as the key concern for today's system administrators, a single chapter on the subject can't provide the depth of information you need to keep your systems secure.FreeBSD and OpenBSD are rife with security "building blocks" that you can put to use, and Mastering FreeBSD and OpenBSD Security shows you how. Both operating systems have kernel options and filesystem features that go well beyond traditional Unix permissions and controls. This power and flexibility is valuable, but the colossal range of possibilities need to be tackled one step at a time. This book walks you through the installation of a hardened operating system, the installation and configuration of critical services, and ongoing maintenance of your FreeBSD and OpenBSD systems.Using an application-specific approach that builds on your existing knowledge, the book provides sound technical information on FreeBSD and Open-BSD security with plenty of real-world examples to help you configure and deploy a secure system. By imparting a solid technical foundation as well as practical know-how, it enables administrators to push their server's security to the next level. Even administrators in other environments--like Linux and Solaris--can find useful paradigms to emulate.Written by security professionals with two decades of operating system experience, Mastering FreeBSD and OpenBSD Security features broad and deep explanations of how how to secure your most critical systems. Where other books on BSD systems help you achieve functionality, this book will help you more thoroughly secure your deployments.

The Book of PF, 2nd Edition

The Book of PF, 2nd Edition PDF Author: Peter N.M. Hansteen
Publisher: No Starch Press
ISBN: 1593273517
Category : Computers
Languages : en
Pages : 220

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Book Description
OpenBSD's stateful packet filter, PF, is the heart of the OpenBSD firewall and a necessity for any admin working in a BSD environment. With a little effort and this book, you'll gain the insight needed to unlock PF's full potential. This second edition of The Book of PF has been completely updated and revised. Based on Peter N.M. Hansteen's popular PF website and conference tutorials, this no-nonsense guide covers NAT and redirection, wireless networking, spam fighting, failover provisioning, logging, and more. Throughout the book, Hansteen emphasizes the importance of staying in control with a written network specification, keeping rule sets readable using macros, and performing rigid testing when loading new rules. The Book of PF tackles a broad range of topics that will stimulate your mind and pad your resume, including how to: – Create rule sets for all kinds of network traffic, whether it's crossing a simple LAN, hiding behind NAT, traversing DMZs, or spanning bridges or wider networks – Create wireless networks with access points, and lock them down with authpf and special access restrictions – Maximize flexibility and service availability via CARP, relayd, and redirection – Create adaptive firewalls to proactively defend against would-be attackers and spammers – Implement traffic shaping and queues with ALTQ (priq, cbq, or hfsc) to keep your network responsive – Master your logs with monitoring and visualization tools (including NetFlow) The Book of PF is for BSD enthusiasts and network administrators at any skill level. With more and more services placing high demands on bandwidth and an increasingly hostile Internet environment, you can't afford to be without PF expertise.

Book of PF, 3rd Edition

Book of PF, 3rd Edition PDF Author: Peter N. M. Hansteen
Publisher: No Starch Press
ISBN: 1593275897
Category : Computers
Languages : en
Pages : 250

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Book Description
OpenBSD’s stateful packet filter, PF, is the heart of the OpenBSD firewall. With more and more services placing high demands on bandwidth and an increasingly hostile Internet environment, no sysadmin can afford to be without PF expertise. The third edition of The Book of PF covers the most up-to-date developments in PF, including new content on IPv6, dual stack configurations, the “queues and priorities” traffic-shaping system, NAT and redirection, wireless networking, spam fighting, failover provisioning, logging, and more. You’ll also learn how to: * Create rule sets for all kinds of network traffic, whether crossing a simple LAN, hiding behind NAT, traversing DMZs, or spanning bridges or wider networks * Set up wireless networks with access points, and lock them down using authpf and special access restrictions * Maximize flexibility and service availability via CARP, relayd, and redirection * Build adaptive firewalls to proactively defend against attackers and spammers * Harness OpenBSD’s latest traffic-shaping system to keep your network responsive, and convert your existing ALTQ configurations to the new system * Stay in control of your traffic with monitoring and visualization tools (including NetFlow) The Book of PF is the essential guide to building a secure network with PF. With a little effort and this book, you’ll be well prepared to unlock PF’s full potential.

Absolute FreeBSD, 3rd Edition

Absolute FreeBSD, 3rd Edition PDF Author: Michael W. Lucas
Publisher: No Starch Press
ISBN: 1593278934
Category : Computers
Languages : en
Pages : 704

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Book Description
This updated edition of Michael W. Lucas' definitive volume on FreeBSD-based systems adds coverage of modern disks, the ZFS filesystem IPv6, redesigned jail and packaging systems, and virtualization, among dozens of new features added in the last 10 years. FreeBSD is the muscle behind companies like Netflix and EMC. Any place where someone does heavy lifting on the Internet, you'll find FreeBSD. This newly revised edition of Absolute FreeBSD brings FreeBSD's strengths to bear on your problems and covers FreeBSD's newest features, all in the inimitable style that has made author Michael W. Lucas' system administration books so popular. Any computer system is only as good as the system administrator's knowledge. Absolute FreeBSD teaches you everything you need to know about managing FreeBSD systems, from installation, configuration, and taking the system from "just working" to "working well." A cohesive focus on service delivery and best practice means that you can apply much of the book to other operating systems. Absolute FreeBSD dives deep into server management, taking you beyond just making things work and into understanding why they work. You'll learn: • How to best install FreeBSD to meet your needs • Which filesystem to use in your environment • How to back up and restore critical data • How to tweak the kernel, and when not to • Network configuration, from activating interfaces to selecting congestion control algorithms • How to manage UFS, ZFS, and other critical filesystems • FreeBSD's software packaging system, including how to build your own package repository • How and when to upgrade • Techniques to build your own FreeBSD • Advanced security features like blacklistd and packet filtering • How to monitor and adjust performance • Container-style virtualization with jails • Diskless systems • Panic management and bug reporting With Absolute FreeBSD you will get the solid introduction you need; and if you're a fan of the earlier editions, you will expand your skills even further.