November 2020 Archive

Implementing DMARC on Alias Domains

November 30, 2020
6 minutes
inspiration, security, tech

A few weeks ago I crossed a tweet with some simple instructions for securing your "unused" email domains, specifically the few bits required to implement DMARC controls to prevent Bad Folks from using your domains to send spam emails.

Charlie the cat enjoying the outdoor smells.

November 23, 2020
2 minutes
lifestyle, personal

As I'd eluded in a post earlier this summer, we had some major home projects completed this year. As of the end of October, 2020, they're all functionally complete. We only await the delivery and installation of a few missing pieces of window jamb extensions and casing, and a "rainy day" for the contractor to spend a couple quick hours installing.

November 16, 2020
3 minutes
automation, certbot, inspiration, security, tech, website

Over the last two months, I've shared what amounts to a four-part "series" of posts walking through my journey of using Certbot for SSL certificate management, with the primary challenge being not having the traditional root-level access on the web server. Those posts are, in order:

November 02, 2020
4 minutes
automation, certbot, inspiration, security, tech, website

If you've been following along in the mini series, I've gone over the details of using Certbot in manual mode, then bolting some simple scripts together to improve the process of generating and managing certs, all done with a bit of magic thanks to our old friend