#HTTPS
2 posts
6 min read
HTTPS Certificates in Practice — From Let's Encrypt Issuance to Auto-Renewal (certbot, ACME, managed)
A hands-on guide to actually issuing, installing, and auto-renewing HTTPS certificates. It covers ACME and domain ownership validation, issuing Let's Encrypt with certbot, setting up auto-renewal, wildcards (DNS-01), managed options like AWS ACM and Cloudflare, and diagnosing common errors such as a missing chain or name mismatch.
10 min read
AWS Intermediate #6: ALB / NLB and ACM (HTTPS)
AWS's managed load balancers — the differences between ALB, NLB, and GWLB; the Listener / Target Group / Health Check flow; and the operational pattern of issuing a cert with ACM and turning on HTTPS in one go.