FixMyCert

PKI and certificate management education that actually makes sense — no vendor pitch, no paywall, no fluff.

- SC-081v3: TLS cert lifetimes drop to 47 days by 2029 — automation required
- TLS handshakes, certificate chains, X.509 anatomy
- ACME — HTTP-01, DNS-01, TLS-ALPN-01, DNS-PERSIST-01
- Troubleshooting — Cloudflare 526, incomplete chains, Git SSL
- Enterprise PKI — Venafi, ADCS, Azure Key Vault, AWS ACM
- CA/B Forum compliance, CPS docs, audit prep
- ClientAuth EKU sunset, ECH, emerging standards
- S/MIME, digital signatures, encryption fundamentals

Free guides + interactive demos → fixmycert.com

🛠️ Tools & Training
- Practical Networking (Ed Harmoush) — Trusted PKI and Networking Training
https://classes.pracnet.net/courses/practical-tls?affiliate=6azpRz

- ZeroSSL — Free and paid TLS certificates
https://zerossl.com/?fpr=fixmycert

Affiliate links — resources I'd recommend to a colleague.

🏛️ Affiliations
PKI Consortium Member — https://pkic.org/members/fixmycert/