The certificate was renewed, but the browser still showed the old one

Reproduce DNS caching and TLS certificates by hand inside a pod

중급 · Lessons 12 · Lab 4

Start the lab

Curriculum

Reference docs

• RFC 1034 — 도메인 이름의 개념
• RFC 2308 — DNS 부정 응답 캐시
• RFC 5280 — X.509 인증서와 경로 검증
• OpenSSL 3.0 — openssl-x509
• RFC 8555 — ACME
• cert-manager — Certificate 리소스