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Use an open source firewall and features such as failover, load balancer, OpenVPN, IPSec, and Squid to protect your network Key Features Explore pfSense, a trusted open source network security solution Configure pfSense as a firewall and create and manage firewall rules Test pfSense for failover and load balancing across multiple WAN connections Book DescriptionWhile connected to the internet, you're a potential target for an array of cyber threats, such as hackers, keyloggers, and Trojans that attack through unpatched security holes. A firewall works as a barrier (or `shield') between your computer and cyberspace. pfSense is highly versatile firewall software. With thousands of enterprises using pfSense, it is fast becoming the world's most trusted open source network security solution.

Network Security with pfSense begins with an introduction to pfSense, where you will gain an understanding of what pfSense is, its key features, and advantages. Next, you will learn how to configure pfSense as a firewall and create and manage firewall rules. As you make your way through the chapters, you will test pfSense for failover and load balancing across multiple wide area network (WAN) connections. You will then configure pfSense with OpenVPN for secure remote connectivity and implement IPsec VPN tunnels with pfSense. In the concluding chapters, you'll understand how to configure and integrate pfSense as a Squid proxy server. By the end of this book, you will be able to leverage the power of pfSense to build a secure network.

Apache Mesos is an open source cluster manager that provides efficient resource isolation and sharing across distributed applications or frameworks. This book will help you build a strong foundation of Mesos' capabilities along with practical examples to support the concepts explained throughout the book.

Learn Apache Mesos dives straight into how Mesos works. You will be introduced to the distributed system and its challenges and then learn how you can use Mesos and its framework to solve data problems. You will also gain a full understanding of Mesos' internal mechanisms and get equipped to use Mesos and develop applications. Furthermore, this book lets you explore all the steps required to create highly available clusters and build your own Mesos frameworks. You will also cover application deployment and monitoring.

By the end of this book, you will have learned how to use Mesos to make full use of machines and how to simplify data center maintenance.

Manuj Aggarwal

I'm an entrepreneur, investor and a technology enthusiast. I like startups, business ideas, and high-tech anything. I like to work on hard problems and get my hands dirty with cutting edge technologies. In the last few years, I've been a business owner, technical architect, CTO, coder, startup consultant, and more.

Currently, I am the principal consultant, architect and CTO of a software consulting company TetraNoodle Technologies based in Vancouver, Canada. We work with various startups on some cutting edge and interesting problems. Whether it is ideation and refining of your startup idea or building a dream team to execute on the idea - we provide a diverse set of solutions which help these startups succeed in their plans.

I have been in the software industry since 1997 and I have worked with early-stage businesses to Fortune 100 mega-corporations.

With proficiency in creating innovative architectures and solutions, I have emerged as a professional who knows how to balance these solutions against cost, schedule, function, quality, and other business considerations.

I am passionate about sharing all my knowledge that I have acquired over the years. I am particularly interested in helping technical and non-technical entrepreneurs, founders and co-founders of tech startups. I will strive to bring courses which provide practical know-how and advice about designing, architecting, optimizing and executing on your next big idea.