A time ago I got
contacted by a white-hat hacker
with an inquiry about the security of one of my emails. Specifically, that
my DMARC record was not set up.
I immediately contacted my email provider, since I did not know if the
whole thing was even legit, but I did not get a very …
Some months ago I wrote an
article about the smartcard
and shown a possible way to initialize communication with it on Arch Linux
and the notebook equipped with smartcard reader, in my case a trusty T470.
The basis for making the smartcard reader work is to install the required
A strange issue I could not find a meaningful explanation anywhere
regarding running docker-compose script and iptables firewall on Arch
Linux. Steps to reproduce assume bare iptables, Docker and docker-compose
Step 1. Start Docker
Start the docker.service via systemct…
I have started learning more about the GnuPG security tokens fairly
recently in the
post about GitHub automatic commit signing.
Links in that post provide for some great read too, go check it out if you
are interested. GnuPG security token is a device that stores the keys on
This post is a sequel to my
previous post. The
post demonstrated how to setup HTTPS for Nginx by obtaining a certificate
via 3rd party client called acme.sh. There is also some basic underlying
theory about these terms. Consider reading it if feeling uncertain.
Start by creating …