Original article: https://owo.cab/216/, also published on WeChat public account You can jump to the original webpage from the “Read the original” link at the end of this article Finally, the holiday is approaching~ I finally have some time to review and record some of the things I’ve been working on recently. Hehe! It’s the joy … Read more
Let’s delve into the core aspects of Node.js network development: building an HTTP server and implementing routing control. This content is the foundation of all Node.js-based web frameworks (such as Express, Koa). Understanding it will give you a deeper insight into what these frameworks actually do. — ### **6.3 Building an HTTP Server** In Node.js, … Read more
Translation: https://www.javacodegeeks.com/2025/09/secure-mqtt-implementations-tls-authentication-and-access-control-for-iot-networks.html MQTT has become the de facto standard protocol for IoT communication: lightweight, reliable, and designed for resource-constrained devices. However, while MQTT simplifies communication between devices, it does not inherently provide security guarantees. Without proper safeguards, your IoT network may be vulnerable to eavesdropping, spoofing, or unauthorized access. This article will explore how to … Read more
IoT General Protocols:1. MQTT (Message Queuing Telemetry Transport) — A lightweight messaging protocol designed for device communication in low bandwidth and unstable network environments (Applicable: Remote monitoring of IoT devices, sensor data transmission)1) Small protocol header, suitable for resource-constrained devices2) Publish/Subscribe model3) QoS: Provides three levels of service quality 2. CoAP (Constrained Application Protocol)CoAP is … Read more
Two serious vulnerabilities have been discovered in the Linux Common Unix Printing System (CUPS), exposing millions of systems to remote denial-of-service attacks and authentication bypass vulnerabilities. These vulnerabilities are tracked as CVE-2025-58364 and CVE-2025-58060, affecting the core printing infrastructure used in nearly all Linux distributions, posing a significant risk to network security. Remote DoS Vulnerability … Read more