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May 10, 2026Wildcard vs SAN Certificates: A Decision Guide for Engineers Who've Been Burned by Both
A hands-on guide to choosing between wildcard and SAN certificates based on actual operational trade
May 10, 202610 min read0 reactions0 comments
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Apr 19, 2026Let's Encrypt short-lived certificates are quite strict, so you should use an ARI-capable client
Short-lived certificates in Let's Encrypt can hit rate limits much more easily, especially if you use both RSA and ECDSA. This is why ARI support matters.
Apr 19, 20264 min read0 reactions0 comments
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Apr 8, 2026ACME Protocol: How It Works, Real-World Pitfalls, and Production Setup Guide
How the ACME protocol works in production: challenge types, client comparison, rate limits, internal
Apr 8, 20262 min read0 reactions0 comments
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Dec 18, 2025The Acme Integrating Computing Environment
ACHTUNG: This document was written by a Plan9 fanboy. I used to be a pretty dedicated Visual Studio...
Dec 18, 20253 min read1 reactions0 comments
NGINX - Native support ACME Protocol
NGINX ออก Preview Release ของตัว ACME แบบ Native พร้อมใช้แล้ววันนี้ สำหรับ NGINX Plus R35 (Based on...
Sep 23, 20252 min read1 reactions0 comments
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Jul 27, 2022Using FreeIPA CA as an ACME Provider for cert-manager
I’m using FreeIPA for authentication services in my home lab. It’s extreme overkill for my situation,...
Jul 27, 20223 min read0 reactions0 comments
Handling an ACME challenge response with a temporary Azure Container Instance
I wanted to have a temporary endpoint to handle a ACME HTTP-01 challenge response without having or messing up a server. This led me to a really nice use case for Azure Container Instances.
Nov 27, 20208 min read9 reactions0 comments
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Sep 18, 2020Let’s Encrypt SSL certificate in Namecheap AutoRenewal – Verified & working – Using ACME.sh
NameCheap doesn't support Let's Encrypt natively, But provides option so you can setup LetEncrypt SSL...
Sep 18, 20202 min read22 reactions29 comments