Search

This is the applications guide to interfacing microcomputers. It offers practical non-mathematical solutions to interfacing problems in many applications including data acquisition and control. Emphasis is given to the definition of the objectives of the interface, then comparing possible solutions and producing the best interface for every situation. Dr Mustafa A Mustafa is a senior designer of control equipment and has written many technical articles and papers on the subject of computers and their application to control engineering.

Install and configure a pfSense router/firewall, and become a pfSense expert in the process.Key FeaturesYou can always do more to secure your software – so extend and customize your pfSense firewallBuild a high availability security system that's fault-tolerant – and capable of blocking potential threatsPut the principles of better security into practice by implementing examples provided in the textBook DescriptionpfSense has the same reliability and stability as even the most popular commercial firewall offerings on the market – but, like the very best open-source software, it doesn't limit you. You're in control – you can exploit and customize pfSense around your security needs. Mastering pfSense - Second Edition, covers features that have long been part of pfSense such as captive portal, VLANs, traffic shaping, VPNs, load balancing, Common Address Redundancy Protocol (CARP), multi-WAN, and routing. It also covers features that have been added with the release of 2.4, such as support for ZFS partitions and OpenVPN 2.4. This book takes into account the fact that, in order to support increased cryptographic loads, pfSense version 2.5 will require a CPU that supports AES-NI. The second edition of this book places more of an emphasis on the practical side of utilizing pfSense than the previous edition, and, as a result, more examples are provided which show in step-by-step fashion how to implement many features.What you will learnConfigure pfSense services such as DHCP, Dynamic DNS, captive portal, DNS, NTP and SNMPSet up a managed switch to work with VLANsUse pfSense to allow, block and deny traffic, and to implement Network Address Translation (NAT)Make use of the traffic shaper to lower and raise the priority of certain types of trafficSet up and connect to a VPN tunnel with pfSenseIncorporate redundancy and high availability by utilizing load balancing and the Common Address Redundancy Protocol (CARP)Explore diagnostic tools in pfSense to solve network problemsWho this book is forThis book is for those with at least an intermediate understanding of networking. Prior knowledge of pfSense would be helpful but is not required. Those who have the resources to set up a pfSense firewall, either in a real or virtual environment, will especially benefit, as they will be able to follow along with the examples in the book.

Install, Configure and Setup different connections with pfSenseKey FeaturesBuild firewall and routing solutions with PfSense.Learn how to create captive portals, how to connect Pfsense to your https environment and so on.Practical approach towards building firewall solutions for your organizationBook DescriptionAs computer networks become ubiquitous, it has become increasingly important to both secure and optimize our networks. pfSense, an open-source router/firewall, provides an easy, cost-effective way of achieving this – and this book explains how to install and configure pfSense in such a way that even a networking beginner can successfully deploy and use pfSense.This book begins by covering networking fundamentals, deployment scenarios, and hardware sizing guidelines, as well as how to install pfSense. The book then covers configuration of basic services such as DHCP, DNS, and captive portal and VLAN configuration. Careful consideration is given to the core firewall functionality of pfSense, and how to set up firewall rules and traffic shaping. Finally, the book covers the basics of VPNs, multi-WAN setups, routing and bridging, and how to perform diagnostics and troubleshooting on a network.What you will learnInstall pfSenseConfigure additional interfaces, and enable and configure DHCPUnderstand Captive portalUnderstand firewalls and NAT, and traffic shapingLearn in detail about VPNsUnderstand Multi-WANLearn about routing and bridging in detailUnderstand the basics of diagnostics and troubleshooting networksWho this book is forThis book is towards any network security professionals who want to get introduced to the world of firewalls and network configurations using Pfsense. No knowledge of PfSense is required

About This BookYou can always do more to secure your software – so extend and customize your pfSense firewallBuild a high availability security system that's fault tolerant – and capable of blocking any threatsPut the principles of better security into practice – unlock a more stable and reliable firewallWho This Book Is ForIf you are a network administrator or a techie who is securing your organization, home or small office using pfSense and are now eager to be a pfSense master, then this book is perfect for you. Basic knowledge of network security is required. We assume that the user has an intermediate knowledge of pfSense.What You Will LearnConfigure pfSense services such as DHCP, Dynamic DNS, captive portal, DNS, NTP and SNMPSet up a managed switch to work with VLANsUse pfSense to allow, block and deny trafficMake use of the traffic shaper to lower and raise the priority of certain types of trafficSet up and connect to a VPN tunnel with pfSenseIncorporate redundancy and high availability by utilizing load balancing and the Common Address Redundancy Protocol (CARP)Explore diagnostic tools in pfSense to solve network problemsIn DetailMastering pfSense is aimed to show the readers how to customize and use advanced installation and configuration for their pfSense system. The book will unleash the firewall functionality of pfSense so that they can transform their pfSense system into an enterprise-level firewall. Using pfSense, the readers will learn how to set up set up a Virtual Private Network (VPN) and incorporate redundancy and high-availability into their network. Later, the readers will explore and make use of third-party packages to extend their pfSense system.With the knowledge provided, the readers will go from being a pfSense user to being able to set up a pfSense system that will provide the functionality of a professional-grade firewall/router at a fraction of the cost.

The computer bus is the foundation of the modern computer. Without busses, a computer would just be a bundle of components. As more and more equipment becomes interface driven-either through controllers or directly to and from PCs-the question of which bus to use becomes increasingly important.Computer Busses has been designed to help answe

This book explains how computers interact with the world around them and therefore how to make them a useful tool. Topics covered include descriptions of all the components that make up a computer, principles of data exchange, interaction with peripherals, serial communication, input devices, recording methods, computer-controlled motors, and printers. In an informative and straightforward manner, Graham Dixey describes how to turn what might seem an incomprehensible'black box'PC into a powerful and enjoyable tool that can help you in all areas of your work and leisure. With plenty of handy tips and clear illustrations this book can improve your computer system, and even shows new uses for old kit such as motor control.