This guide explains how Let’s Encrypt provides free SSL certificates, outlines its key features, shows step‑by‑step installation on CentOS (including Docker usage), demonstrates domain validation, certificate issuance, renewal and revocation, and details configuration files and supported plugins.
This article explains the fundamentals of server certificates, private keys, and certificate authorities, classifies DV/OV/EV certificates, describes how to generate and inspect them, outlines CA history and notable incidents, and discusses PKI security measures such as HPKP and Certificate Transparency.
This tutorial walks through setting up secure MySQL/MariaDB master‑slave replication over a network using SSL encryption, covering environment preparation, installation, configuration of both master and slave servers, certificate generation, SSL integration, troubleshooting, and verification of data synchronization.
This guide explains how to apply Nginx's early‑alpha HTTP/2 patch, covering required source versions, OpenSSL/LibreSSL preparation, patch application, configuration flags, compilation, and enabling HTTP/2 in the server block, while noting the patch's production limitations.
This article provides a thorough, easy-to-understand overview of SSL/TLS, covering its architecture, differences between SSL and TLS, the handshake process, key derivation (PreMaster, Master, Session secrets), data encryption, security improvements, and practical considerations such as proxy handling and common attacks.
This article explains SSL fundamentals, encryption types, PKI components, and provides step‑by‑step Linux OpenSSL commands for symmetric/asymmetric encryption, hashing, password handling, key generation, private CA creation, certificate signing, and revocation, enabling secure data transmission over networks.
