Preface

Nowadays, network security has become the trending topic besides cloud computing and virtualization. With the increasing number of cybercrimes, all networks, irrespective of whether they belong to a small or enterprise organization, needs to be protected.

Untangle NGFW provides a comprehensive platform that is built on the best-on-the-market application such as zVelo's web filtering technologies that are used by most UTM manufactures. Untangle provides a complete stack of applications that cover the needs of most users.

Accompanied with ease of use, high reliability, great support, and low prices, Untangle NGFW is considered a great choice for network protection.

This book is based on version 10.2.1; slight differences can be found between the different Untangle NGFW versions. Since you have the basic concepts provided here, you can easily deal with any change you meet. Although you can use the free-to-roam style to read this book, this is not advised for beginners since the advanced chapters have some dependencies on the earlier chapters.