Obtuse Networking

In a previous article here, I described how to setup an ACME server using Step-CA software.

These are some notes for my future self on how to get data out of the roundcube mail database.

I have been running my own Certificate Authority (CA) for my systems for some time now.

Some quick notes for myself about using doveadm and managing mailboxes.

Software Used: OpenBSD 7.7 Overview Now that we have some services in our self hosted environment, we may want to allow access from outside our environment.

Software Used: OpenBSD 7.7 (as VM) OpenSMTPD (part of OS) Dovecot 2.3.21.1 (from ports) RoundcubeMail 1.6.11 (from ports) twofactor_webauthn 1.3.0 Overview Email is a surprisingly vast and charged topic.

Software used: FreeBSD 14.2 (jail) OpenLDAP 2.6 (from ports) It has been said: "Three people can keep a secret, if two are dead."

Software Used: FreeBSD 14.2 (jail) Introduction If you can't observe what is happening then you can't find and fix what is broken Setting up a logging server at this point may seem premature.

Software used: FreeBSD 14.2 (jail) Step CA 0.28.1 (from ports) Updated: 2026-02-14 Introduction If it isn't DNS... then it's certificates!

Used Software: FreeBSD 14.2 (as jail) ISC Bind 9.2.0 (from ports) ISC DHCP 4.4 (from ports) Introduction It all begins with DNS...

Software Used: OpenBSD 7.7 Introduction The firewall will separate the segments and provide protection for services that must cross the segment boundaries.

Software Used: FreeBSD 14.2 Sanoid/Syncoid 2.3.0 Introduction Before we can deploy any services we need two things.

As with all endeavors, success is not guaranteed.

Finally, some password sense!

Some quick notes on setting DPI for High Density Displays and X11.