NXLog is a versatile log collector that easily integrates with other software, platforms, and programming languages. Out-of-the-box it supports integration with many third-party solutions through its input, output, and extension modules. Moreover, extending NXLog with custom functionality is as easy as writing an application or script in your favorite programming language and loading it from the configuration.
Email notifications of events indicating potential security breaches or severe application errors are a standard procedure for IT admins and DevOps engineers.
Modbus is a simple and flexible protocol used by a wide variety of industrial and automation equipment. Its simplicity has made it attractive for many manufacturers, but it also poses a number of challenges in terms of security and traffic analysis. In this post, we’ll show you how to use NXLog to capture, process, and extract useful security information from Modbus traffic.
What makes Modbus traffic analysis challenging? Modbus is a low-level protocol that effectively uses only two data types: bits (in the form of coils), and 16-bit words (in the form of registers), which are also the only form of data that can be natively addressed with most devices.
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