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GitHub

OPC UA Server node does not emit output on client write

first of all, thank you for providing and maintaining node-red-contrib-opcua. I am using the OPC UA server node on an embedded system (Node-RED OS on Unipi hardware). I am currently trying to ...
GitHub

TECHDOCK-CH/php-opc-ua

Modern, production-ready OPC UA (Unified Architecture) client library for PHP 8.4+. This library is a PHP implementation of OPC UA client functionality based on the architecture and design of the OPC ...
IEEE

Evaluating OPC UA Security: Insights from DoS Attack Scenarios

Abstract: This initial study examines the impact of Denial of Service (DoS) attacks on OPC UA communications, focusing on their effects under varying security configurations. Using both the hping3 ...
IEEE

Design and Implementation of a Cross-Layer Communication Architecture Based on OPC UA

Abstract: In industrial production environments, the phenomenon of “information silos” is prevalent, where information between different layers and heterogeneous devices is difficult to share and ...