Six Days Certificates With Let’s Encrypt and Caddy

💬 This is a comment on 6-day and IP Address Certificates are Generally Available by Matthew McPherrin (via) Let’s Encrypt has just announced that short-lived1 certificates are generally available. They can also be used for IP addresses, which is especially useful for DNS over HTTPS. Those certificates could be smaller in the future, if information for validity checks is omitted. However, for now at least, these certificates still include revocation information. ...

January 17, 2026 · 2 min

Let's Encrypt CAA Records with Caddy

A Man-in-the-Middle Attack I host my own instance of miniflux, an RSS reader. I do it as a hobby, I enjoy the learning opportunities that come along the way. One such opportunity presented itself in November 2023. Back then, a Man-in-the-Middle attack was reported against jabber.ru. You can go read the full details on that blog post, but let’s go over its main aspects. Without the attacker, a client connects directly to the jabber.ru server over TLS: ...

February 25, 2025 · 8 min