Nginx remains a cornerstone of modern web infrastructure, and optimizing its security and performance is critical for any production environment. This guide aggregates key configurations for SSL/TLS hardening, rate limiting, caching strategies, and worker process tuning. It also addresses common misconfigurations that can lead to vulnerabilities or performance bottlenecks. For DevOps engineers and system administrators, these practices help ensure high availability and protection against attacks like DDoS and SSL stripping. While the content is not groundbreaking, it serves as a solid checklist for audits and deployments. We recommend cross-referencing with official Nginx documentation and testing in staging environments before applying changes.
This post compiles a set of configurations and tips for securing and optimizing Nginx servers. It covers areas like SSL settings, rate limiting, and caching, making it a useful resource for DevOps teams maintaining high-traffic sites.