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Learn how to deploy GitLab on NAS (FNOS, Synology, TrueNAS) using Docker, fix permission errors, and safely restore backup data. This step-by-step tutorial covers volume mounting, version matching, and migration best practices to build your private DevOps platform effortlessly. Why Install GitLab on a NAS? Most development teams rely on cloud services like GitHub or GitLab.com for…

As a Windows user, have you ever encountered scenarios like your computer automatically sleeping and causing unsaved documents while working outside, or wanting longer laptop standby time but not knowing how to adjust it? In fact, Windows 11’s sleep mode is designed to balance energy efficiency and convenience, but only by mastering the correct setup methods…

A comprehensive guide to garbage code (anti-disassembly instructions) – core principles, 8 practical implementations with full code, IDA disassembly detection, and dynamic debugging removal tips for security researchers and reverse engineers. Introduction In the field of reverse engineering and software protection, garbage code is a “classic technique” to counter disassembly tools. By constructing special instruction…

Have you ever noticed the difference between “http://” and “https://” when typing a URL? What does the small lock icon next to the address bar signify when you make a payment on an e-commerce platform or log into a social media account? In internet communications, terms like HTTP, HTTPS, and SSL/TLS appear frequently—they are not…

As one of the most widely used JSON parsing libraries in the Java ecosystem, Fastjson is favored for its high performance. However, its deserialization vulnerabilities—especially CVE-2022-25845—have repeatedly led to large-scale security incidents. Attackers only need to construct malicious JSON strings to achieve Remote Code Execution (RCE) and take full control of servers. This article breaks…

This article systematically breaks down the complete implementation of Nginx TCP Layer 4 port proxy and mTLS mutual encryption authentication. It covers core technical principles (TLS/mTLS mechanisms), certificate generation (root CA/server/client workflows), Nginx configuration (Stream module, SSL parameter optimization), and function verification (valid/invalid connection testing) with practical commands. It helps DevOps engineers and developers quickly…