Open Source Projects
Guardian Digital's Involvement with & Contributions to Open Source
EnGarde Secure Linux
The foundation of Guardian Digital’s EnGarde Cloud Email Security, it is the operating platform that enables our secure end-to-end email infrastructure. Built from the ground up by engineers who have been at the forefront of open-source development from the beginning, the platform was designed to be secure and provide ease-of-management and secure network services.
The Linux Kernel
The Linux kernel is a key component of the EnGarde Cloud Email Security. It provides true multi-tasking, virtual memory, shared libraries, memory management, and multi-stack networking, including IPv4 and IPv5. Guardian Digital applies its own security enhancements to the stock Linux kernel to increase its already high-levels of security.
SELinux is an open-source extension to Linux that creates a security protocol that restricts each application on the system to perform only the actions required for normal operations, thereby preventing the exploitation of security flaws. EnGarde uses SELinux and other security controls to strictly limit all running applications to provide the highest possible level of security.
Through the use of SpamAssassin as a framework for our email security solutions, Guardian Digital is able to help organizations protect their data from all forms of email attacks. SpamAssassin is a flexible, robust scoring framework and plug-in that integrates a wide range of advanced heuristic and statistical analysis tests on email headers and body text. The level of flexibility of SpamAssassin’s flexibility, combined with efficiency upgrades with every release, means that Guardian Digital can continually provide a best-in-class email security solution to some of the largest organizations in the world, and do it much more cost-effectively than conventional solutions.
The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. This enables Guardian Digital to be able to manage large volumes of data rapidly and to thereby provide better resource management.
MRTG is the Multi Router Traffic Grapher, a tool to monitor the traffic load on network links. MRTG generates graphical reports allowing users to view live visual representation of network traffic. Guardian Digital incorporates MRTG to provide this traffic analysis as well as graphs of CPU and RAM usage.
Snort is an open source network intrusion detection system, capable of performing real-time traffic analysis and packet logging on IP networks. An integral security component to many of Guardian Digital's award-winning security solutions, Snort utilizes protocol analysis functions, content searching/matching applications to proactively detect both common and uncommon Internet attacks such as buffer overflows, stealth port scans, CGI attacks, OS fingerprinting attempts, and much more.