Guides, best practices, and technical explanations related to SSL/TLS certificates, HTTPS, encryption, and secure communications.
Nginx handles SSL differently from Apache. There’s no module system to enable — it’s built in. But the configuration has some nuances that trip people up, especially around cipher suites, OCSP stapling, and HTTP/2. I’ve set up SSL on Nginx across dozens of servers, and this guide reflects what actually works in production, not just […]
Setting Up SSL in Nginx: A Complete Configuration Guide Read Post »
SSL errors have a reputation for being cryptic, but most of them fall into a handful of categories once you recognize the patterns. I’ve diagnosed enough certificate issues to know that 90% of problems come from five root causes: expired certificates, wrong domain, broken chain, clock skew, and protocol/cipher mismatches. Here’s how to diagnose and
Troubleshooting Common SSL Certificate Errors Read Post »
Certificate chains confuse almost everyone when they first encounter them. Not because they’re that complex in principle, but because the trust model isn’t obvious, and the problems that stem from incomplete chains show up in weird, inconsistent ways across different clients. I’ve spent hours debugging “certificate not trusted” errors that turned out to have nothing
Understanding SSL Certificate Chains: Root, Intermediate, and Domain Certificates Read Post »