After eight years of ops experience, this article shares three open‑source tools—SSL certificate management, SMS verification, and website monitoring—that automate routine tasks, cut costs, and prevent midnight outages, offering practical solutions for individual developers, small teams, and SMEs.
This guide explains how to install and configure Charles Proxy, set up its root certificate and SSL proxying, capture HTTPS requests from browsers and apps, and avoid common pitfalls such as leaving the proxy enabled after closing the tool.
Learn how to configure Charles and the Postern VPN tool to intercept Android app traffic, including environment setup, proxy configuration, SSL certificate handling, and a comparison with Fiddler, enabling reliable packet capture even when apps disable proxy settings.
This guide explains why plain HTTP is insecure, introduces SSL/TLS fundamentals, compares certificate types, and provides step‑by‑step instructions for configuring HTTPS on a web server (including Nginx redirects), while highlighting performance impacts and testing considerations.
