Practical XMPP

Author: Lloyd Watkin
Publisher: Packt Publishing Ltd
ISBN: 9781785282096
Release Date: 2016-09-30
Genre: Computers

Unleash the power of XMPP in order to build exciting, real-time, federated applications based on open standards in a secure and highly scalable fashion About This Book Learn about the fundamentals of XMPP and be able to work with the core functionality both server-side and in the browser Build a simple 1-to-1 chat (the “Hello World” of XMPP), explore multi-user chat, publish subscribe systems, and work with a decentralized social network Author Lloyd Watkins is a member of the XMPP standards committee Who This Book Is For If you want to learn about the fundamentals of XMPP, be able to work with the core functionality both server-side and in the browser then this book is for you.No knowledge of XMPP is required, or of TCP/IP networking. It's important that you already know how to build applications of some form, and are looking get a better understanding of how to implement XMPP for one or more of its many uses. You should be interested in the decentralized web, know HTML, and likely know JavaScript and NodeJS. You will probably know JSON, and hopefully XML (this is the native output of XMPP). What You Will Learn Install and configure an XMPP server and use it to connect from a traditional desktop client and send a message Build a simple server-side application that will respond to messages from our logged in desktop client Install and run XMPP-FTW, connect to the server from the browser, and handle incoming/outgoing messages Connect to a multi-user chat room, send/receive stanzas, add a room password, join a protected room, set the room's subject, and change a user's affiliation Get to grips with the publish-subscribe extension of XMPP and use it to build a pusher system that can make any website real-time Build a simple XMPP component and create an extension for XMPP-FTW that allows you to use your own custom format Build an XMPP version of the classic game “Pong” In Detail XMPP (eXtensible Messaging and Presence Protocol) is a messaging protocol that enables communication between two or more devices via the Internet. With this book, developers will learn about the fundamentals of XMPP, be able to work with the core functionality both server-side and in the browser, as well as starting to explore several of the protocol extensions. You will not only have a solid grasp of XMPP and how it works, but will also be able to use the protocol to build real-world applications that utilize the power of XMPP. By the end of this book, you will know more about networking applications in general, and have a good understanding of how to extend XMPP, as well as using it in sample applications. Style and approach Through a number of hands-on projects, this book shows you how to build usable applications that highlights a feature of XMPP.

Professional XMPP Programming with JavaScript and jQuery

Author: Jack Moffitt
Publisher: John Wiley & Sons
ISBN: 9780470633908
Release Date: 2010-04-29
Genre: Computers

Create real-time, highly interactive apps quickly with the powerful XMPP protocol XMPP is a robust protocol used for a wide range of applications, including instant messaging, multi-user chat, voice and video conferencing, collaborative spaces, real-time gaming, data synchronization, and search. This book teaches you how to harness the power of XMPP in your own apps and presents you with all the tools you need to build the next generation of apps using XMPP or add new features to your current apps. Featuring the JavaScript language throughout and making use of the jQuery library, the book contains several XMPP apps of increasing complexity that serve as ideal learning tools. Coverage Includes: Getting to Know XMPP Designing XMPP Applications Saying Hello: The First Application Exploring the XMPP Protocol: A Debugging Console Microblogging in Real Time: An Identica Client Talking with Friends: One-on-One Chat Exploring Services: Service Discovery and Browsing Group Chatting: A Multi-User Chat Client Publishing and Subscribing: A Shared Sketch Pad Introduction Writing with Friends: A Collaborative Text Editor Playing Games: Head to Head Tic-Tac-Toe Getting Attached: Bootstrapping BOSH Deploying XMPP Applications Writing Strophe Plug-ins Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.

XMPP The Definitive Guide

Author: Peter Saint-Andre
Publisher: "O'Reilly Media, Inc."
ISBN: 9780596555597
Release Date: 2009-04-16
Genre: Computers

This practical book provides everything you need to know about the Extensible Messaging and Presence Protocol (XMPP). This open technology for real-time communication is used in many diverse applications such as instant messaging, Voice over IP, real-time collaboration, social networking, microblogging, lightweight middleware, cloud computing, and more. XMPP: The Definitive Guide walks you through the thought processes and design decisions involved in building a complete XMPP-enabled application, and adding real-time interfaces to existing applications. You'll not only learn simple yet powerful XMPP tools, but you'll also discover, through real-world developer stories, how common XMPP "building blocks" can help solve particular classes of problems. With this book, you will: Learn the basics of XMPP technologies, including architectural issues, addressing, and communication primitives Understand the terminology of XMPP and learn about the wealth of XMPP servers, clients, and code libraries Become familiar with the XMPP concepts and services you need to solve common problems Construct a complete business application or real-time service with XMPP Every day, more software developers and service providers are using XMPP for real-time applications, and with the help of XMPP: The Definitive Guide, you can, too.

Learning Internet of Things

Author: Peter Waher
Publisher: Packt Publishing Ltd
ISBN: 9781783553549
Release Date: 2015-01-27
Genre: Computers

If you're a developer or electronics engineer who is curious about Internet of Things, then this is the book for you. With only a rudimentary understanding of electronics, Raspberry Pi, or similar credit-card sized computers, and some programming experience using managed code such as C# or Java, you will be taught to develop state-of-the-art solutions for Internet of Things in an instant.

Openfire Administration

Author: Mayank Sharma
Publisher: Packt Publishing Ltd
ISBN: 9781847195272
Release Date: 2008-08-22
Genre: Computers

A practical step-by-step guide to rolling out a secure Instant Messaging service over your network

Practical Android Projects

Author: Lucas Jordan
Publisher: Apress
ISBN: 9781430232438
Release Date: 2011-02-22
Genre: Computers

Take a practical approach to becoming a leading-edge Android developer, learning by example while combining the many technologies needed to create a successful, up-to-date web app. Practical Android Projects introduces the Android software development kit and development tools of the trade, and then dives into building cool-looking and fun apps that put Android's amazing capabilities to work. Android is the powerful, full-featured, open source mobile platform that powers phones like Google Nexus, Motorola Droid, Samsung Galaxy S, and a variety of HTC phones and tablet computers. This book helps you quickly get Android projects up and running with the free and open source Eclipse, NetBeans, and IntelliJ IDEA IDEs. Then you build and extend mobile applications using the Android SDK, Java, Scripting Layer for Android (SL4A), and languages such as Python, Ruby, Javascript/HTML, Flex/AIR, and Lua. What you’ll learn In Practical Android Projects, you’ll work on real-world projects such as: Hosting an Android BASIC interpreter Extending your Java-based Android applications with embedded Lua Scripting your Android device with SL4A Adding Twitter and Facebook to your applications Using 2D graphics and animations for casual games Creating cross-platform apps with Javascript/HTML and Flex with AIR Who this book is for Practical Android Projects is for any developer new to the Android platform who wants to learn to build mobile applications. Knowledge of the fundamentals of Java programming is assumed. Table of Contents Android Fundamentals Development Tools in Practice Roll Your Own Android Scripting Environment Embedding Lua in Android Applications Introducing SL4A: The Scripting Layer for Android Creating a GUI with HTML/JavaScript and AIR Using REST with Facebook and Twitter Using the Google App Engine with Android Game Development: Graphics Game Development: Animation App Inventor

Cloud Computing A Practical Approach

Author: Toby Velte
Publisher: McGraw Hill Professional
ISBN: 9780071626958
Release Date: 2009-10-22
Genre: Computers

"The promise of cloud computing is here. These pages provide the 'eyes wide open' insights you need to transform your business." --Christopher Crowhurst, Vice President, Strategic Technology, Thomson Reuters A Down-to-Earth Guide to Cloud Computing Cloud Computing: A Practical Approach provides a comprehensive look at the emerging paradigm of Internet-based enterprise applications and services. This accessible book offers a broad introduction to cloud computing, reviews a wide variety of currently available solutions, and discusses the cost savings and organizational and operational benefits. You'll find details on essential topics, such as hardware, platforms, standards, migration, security, and storage. You'll also learn what other organizations are doing and where they're headed with cloud computing. If your company is considering the move from a traditional network infrastructure to a cutting-edge cloud solution, you need this strategic guide. Cloud Computing: A Practical Approach covers: Costs, benefits, security issues, regulatory concerns, and limitations Service providers, including Google, Microsoft, Amazon, Yahoo, IBM, EMC/VMware, Salesforce.com, and others Hardware, infrastructure, clients, platforms, applications, services, and storage Standards, including HTTP, HTML, DHTML, XMPP, SSL, and OpenID Web services, such as REST, SOAP, and JSON Platform as a Service (PaaS), Software as a Service (SaaS), and Software plus Services (S+S) Custom application development environments, frameworks, strategies, and solutions Local clouds, thin clients, and virtualization Migration, best practices, and emerging standards

Programming Jabber

Author: DJ Adams
Publisher: "O'Reilly Media, Inc."
ISBN: 9780596002022
Release Date: 2002
Genre: Computers

This book will offer programmers a chance to learn and understand the Jabber technology and protocol from an implementer point of view. Every detail of every part of the Jabber client protocol is introduced, explained, discussed, and covered in the form of recipes, mini-projects or simple and extended examples in Perl, Python, and JavaTM.

Practical Internet of Things Security

Author: Brian Russell
Publisher: Packt Publishing Ltd
ISBN: 9781785880292
Release Date: 2016-06-29
Genre: Computers

A practical, indispensable security guide that will navigate you through the complex realm of securely building and deploying systems in our IoT-connected world About This Book Learn to design and implement cyber security strategies for your organization Learn to protect cyber-physical systems and utilize forensic data analysis to beat vulnerabilities in your IoT ecosystem Learn best practices to secure your data from device to the cloud Gain insight into privacy-enhancing techniques and technologies Who This Book Is For This book targets IT Security Professionals and Security Engineers (including pentesters, security architects and ethical hackers) who would like to ensure security of their organization's data when connected through the IoT. Business analysts and managers will also find it useful. What You Will Learn Learn how to break down cross-industry barriers by adopting the best practices for IoT deployments Build a rock-solid security program for IoT that is cost-effective and easy to maintain Demystify complex topics such as cryptography, privacy, and penetration testing to improve your security posture See how the selection of individual components can affect the security posture of the entire system Use Systems Security Engineering and Privacy-by-design principles to design a secure IoT ecosystem Get to know how to leverage the burdgening cloud-based systems that will support the IoT into the future. In Detail With the advent of Intenret of Things (IoT), businesses will be faced with defending against new types of threats. The business ecosystem now includes cloud computing infrastructure, mobile and fixed endpoints that open up new attack surfaces, a desire to share information with many stakeholders and a need to take action quickly based on large quantities of collected data. . It therefore becomes critical to ensure that cyber security threats are contained to a minimum when implementing new IoT services and solutions. . The interconnectivity of people, devices, and companies raises stakes to a new level as computing and action become even more mobile, everything becomes connected to the cloud, and infrastructure is strained to securely manage the billions of devices that will connect us all to the IoT. This book shows you how to implement cyber-security solutions, IoT design best practices and risk mitigation methodologies to address device and infrastructure threats to IoT solutions. This book will take readers on a journey that begins with understanding the IoT and how it can be applied in various industries, goes on to describe the security challenges associated with the IoT, and then provides a set of guidelines to architect and deploy a secure IoT in your Enterprise. The book will showcase how the IoT is implemented in early-adopting industries and describe how lessons can be learned and shared across diverse industries to support a secure IoT. Style and approach This book aims to educate readers on key areas in IoT security. It walks readers through engaging with security challenges and then provides answers on how to successfully manage IoT security and build a safe infrastructure for smart devices. After reading this book, you will understand the true potential of tools and solutions in order to build real-time security intelligence on IoT networks.

Moodle 3 x Developer s Guide

Author: Ian Wild
Publisher: Packt Publishing Ltd
ISBN: 9781786469540
Release Date: 2017-06-29
Genre: Computers

Effortlessly ensure your application's code quality from day 1 About This Book Customize your Moodle 3.x app. Leverage the new features of Moodle 3.x by diving deep into the Moodle development eco-system. Cater to heavy user traffic, customize learning requirements and create custom third party plugins. Who This Book Is For This book is for Moodle developers who are familiar with the basic Moodle functionality and have an understanding of the types of scenarios in which the Moodle platform can be usefully employed. You must have medium-level PHP programming knowledge. You should be familiar with HTML and XML protocols. You do not need to have prior knowledge of Moodle-specific terminology What You Will Learn Work with the different types of custom modules that can be written for Moodle 3.x Understand how to author custom modules so they conform to the agreed Moodle 3.x development guidelines Get familiar with the Moodle 3.x architecture—its internal and external APIs Customize Moodle 3.x so it can integrate seamlessly with third-party applications of any kind Build a new course format to specify the layout of a course Implement third-party graphics libraries in your plugins Build plugins that can be themed easily Provide custom APIs that will provide the means to automate Moodle 3 in real time In Detail The new and revamped Moodle is the top choice for developers to create cutting edge e-learning apps that cater to different user's segments and are visually appealing as well. This book explains how the Moodle 3.x platform provides a framework that allows developers to create a customized e-learning solution. It begins with an exploration of the different types of plugin.. We then continue with an investigation of creating new courses. You will create a custom plugin that pulls in resources from a third-party repository. Then you'll learn how users can be assigned to courses and granted the necessary permissions. Furthermore, you will develop a custom user home. At the end of the book, we'll discuss the Web Services API to fully automate Moodle 3.x in real time. Style and approach This book takes a step-by-step practical approach with every step explained in great detail using practical examples. You will create custom plugins from scratch with the examples shown and create new modules as well as extensions with the examples presented.

Advances in Practical Applications of Heterogeneous Multi Agent Systems The PAAMS Collection

Author: Yves Demazeau
Publisher: Springer
ISBN: 9783319075518
Release Date: 2014-05-14
Genre: Computers

This book constitutes the refereed proceedings of the 12th International Conference on Practical Applications of Agents and Multi-Agent Systems, PAAMS 2014, held in Salamanca, Spain, in June 2014. The 12 revised full papers and 14 short papers were carefully reviewed and selected from 52 submissions and are presented together with 19 demonstrations. The papers report on the application and validation of agent-based models, methods, and technologies in a number of key application areas, including: agent-oriented software engineering, conversations, motion coordination and unmanned aerial vehicles, web and service systems, robotics exploration, smart cities and infrastructures, and social systems.

IoT Building Arduino Based Projects

Author: Peter Waher
Publisher: Packt Publishing Ltd
ISBN: 9781787126374
Release Date: 2016-08-31
Genre: Computers

Explore and learn about Internet of Things to develop interactive Arduino-based Internet projects About This Book Learn the capabilities and differences between popular protocols and communication patterns and how they can be used, and should not be used, to create secure and interoperable services and things Build Internet-based Arduino devices to make your home feel more secure Learn to protect cyber-physical systems and utilize forensic data analysis to beat vulnerabilities in your IoT ecosystem Learn best practices to secure your data from device to the cloud Who This Book Is For If you're a developer or electronics engineer who is curious about Internet of Things, then this is the course for you. A rudimentary understanding of electronics, Raspberry Pi, or similar credit-card sized computers, and some programming experience using managed code such as C# or Java will be helpful. Business analysts and managers will also find this course useful. What You Will Learn Know the capabilities and limitations of the HTTP, UPnP, CoAP, MQTT, and XMPP protocols Use important communication patterns, such as the request/respond, publish/subscribe, event subscription, asynchronous messaging, and multicasting patterns Build a portable Wi-Fi signal strength sensor to give haptic feedback about signal strength to the user Measure the water flow speed and volume with liquid flow sensors and record real-time readings Secure your home with motion-activated Arduino security cameras and upload images to the cloud Implement real-time data logging of a solar panel voltage with Arduino cloud connectors Track locations with GPS and upload location data to the cloud Control infrared-enabled devices with IR remote and Arduino Use Systems Security Engineering and Privacy-by-design principles to design a secure IoT ecosystem In Detail The IoT: Building Arduino-Based Projects course will take you on a journey to become an expert in the use of IoT by developing a set of projects and finally guide you onto securing your IoT environment. The course begins with exploring the popular HTTP, UPnP, CoAP, MQTT, and XMPP protocols. In the first module Learning Internet of Things, you will learn how protocols and patterns can put limitations on network topology and how they affect the direction of communication and the use of firewalls. This module gives you a practical overview of the existing protocols, communication patterns, architectures, and security issues important to Internet of Things. The second module, Internet of Things with Arduino Blueprints provides you up to eight projects that will allow devices to communicate with each other, access information over the Internet, store and retrieve data, and interact with users?creating smart, pervasive, and always-connected environments. You can use these projects as blueprints for many other IoT projects and put them to good use. It has becomes critical to ensure that cyber security threats are contained to a minimum when implementing new IoT services and solutions. Thus, our third module, Practical Internet of Things Security provides a set of guidelines to architect and deploy a secure IoT in your Enterprise. The aim is to showcase how the IoT is implemented in early adopting industries and describe how lessons can be learned and shared across diverse industries to support a secure IoT. Style and approach This course introduces you to the Internet of Things architecture, helps you build Arduino projects based on IoT and cloud computing concepts, create smart, pervasive and always-connected environments, and finally guide you onto securing your IoT environment. Each of these has been covered in individual modules so that you develop your skill after the completion of a module and get ready for the next

A Practical Guide to Computer Forensics Investigations

Author: Darren R. Hayes
Publisher: Pearson IT Certification
ISBN: 9780132756150
Release Date: 2014-12-17
Genre: Computers

All you need to know to succeed in digital forensics: technical and investigative skills, in one book Complete, practical, and up-to-date Thoroughly covers digital forensics for Windows, Mac, mobile, hardware, and networks Addresses online and lab investigations, documentation, admissibility, and more By Dr. Darren Hayes, founder of Pace University’s Code Detectives forensics lab–one of America’s “Top 10 Computer Forensics Professors” Perfect for anyone pursuing a digital forensics career or working with examiners Criminals go where the money is. Today, trillions of dollars of assets are digital, and digital crime is growing fast. In response, demand for digital forensics experts is soaring. To succeed in this exciting field, you need strong technical and investigative skills. In this guide, one of the world’s leading computer orensics experts teaches you all the skills you’ll need. Writing for students and professionals at all levels, Dr. Darren Hayes presents complete best practices for capturing and analyzing evidence, protecting the chain of custody, documenting investigations, and scrupulously adhering to the law, so your evidence can always be used. Hayes introduces today’s latest technologies and technical challenges, offering detailed coverage of crucial topics such as mobile forensics, Mac forensics, cyberbullying, and child endangerment. This guide’s practical activities and case studies give you hands-on mastery of modern digital forensics tools and techniques. Its many realistic examples reflect the author’s extensive and pioneering work as a forensics examiner in both criminal and civil investigations. Understand what computer forensics examiners do, and the types of digital evidence they work with Explore Windows and Mac computers, understand how their features affect evidence gathering, and use free tools to investigate their contents Extract data from diverse storage devices Establish a certified forensics lab and implement good practices for managing and processing evidence Gather data and perform investigations online Capture Internet communications, video, images, and other content Write comprehensive reports that withstand defense objections and enable successful prosecution Follow strict search and surveillance rules to make your evidence admissible Investigate network breaches, including dangerous Advanced Persistent Threats (APTs) Retrieve immense amounts of evidence from smartphones, even without seizing them Successfully investigate financial fraud performed with digital devices Use digital photographic evidence, including metadata and social media images

Content Networking

Author: Markus Hofmann
Publisher: Elsevier
ISBN: 9781558608344
Release Date: 2005
Genre: Computers

As the Internet has grown, so have the challenges associated with delivering static, streaming, and dynamic content to end-users. This book is unique in that it addresses the topic of content networking exclusively and comprehensively, tracing the evolution from traditional web caching to today's open and vastly more flexible architecture. With this evolutionary approach, the authors emphasize the field's most persistent concepts, principles, and mechanisms--the core information that will help you understand why and how content delivery works today, and apply that knowledge in the future. + Focuses on the principles that will give you a deep and timely understanding of content networking. + Offers dozens of protocol-specific examples showing how real-life Content Networks are currently designed and implemented. + Provides extensive consideration of Content Services, including both the Internet Content Adaptation Protocol (ICAP) and Open Pluggable Edge Services (OPES). + Examines methods for supporting time-constrained media such as streaming audio and video and real-time media such as instant messages. + Combines the vision and rigor of a prominent researcher with the practical experience of a seasoned development engineer to provide a unique combination of theoretical depth and practical application.

Beautiful Testing

Author: Adam Goucher
Publisher: "O'Reilly Media, Inc."
ISBN: 9781449388683
Release Date: 2009-10-14
Genre: Computers

Successful software depends as much on scrupulous testing as it does on solid architecture or elegant code. But testing is not a routine process, it's a constant exploration of methods and an evolution of good ideas. Beautiful Testing offers 23 essays from 27 leading testers and developers that illustrate the qualities and techniques that make testing an art. Through personal anecdotes, you'll learn how each of these professionals developed beautiful ways of testing a wide range of products -- valuable knowledge that you can apply to your own projects. Here's a sample of what you'll find inside: Microsoft's Alan Page knows a lot about large-scale test automation, and shares some of his secrets on how to make it beautiful Scott Barber explains why performance testing needs to be a collaborative process, rather than simply an exercise in measuring speed Karen Johnson describes how her professional experience intersected her personal life while testing medical software Rex Black reveals how satisfying stakeholders for 25 years is a beautiful thing Mathematician John D. Cook applies a classic definition of beauty, based on complexity and unity, to testing random number generators All author royalties will be donated to the Nothing But Nets campaign to save lives by preventing malaria, a disease that kills millions of children in Africa each year. This book includes contributions from: Adam Goucher Linda Wilkinson Rex Black Martin Schröder Clint Talbert Scott Barber Kamran Khan Emily Chen Brian Nitz Remko Tronçon Alan Page Neal Norwitz Michelle Levesque Jeffrey Yasskin John D. Cook Murali Nandigama Karen N. Johnson Chris McMahon Jennitta Andrea Lisa Crispin Matt Heusser Andreas Zeller David Schuler Tomasz Kojm Adam Christian Tim Riley Isaac Clerencia