My journey in the computer world

Category Sysadmin

NextDNS: DoT and DoH provider for easy ADBlocking

Why and how I switched from homemade DoT/DoH to using NextDNS as my DNS provider and adblocker. Free, secure, easy, fast, and it just works.

CrowdSec and WordPress: A Scenario to block attacks

CrowdSec I decided to replace my good old fail2ban by CrowdSec. A nice crowd-sourced alternative where the ban don’t just come from your machine, but from the rest of the user of the application. It has so many advantages when… Continue Reading →

Update Pi-hole to v5.0.0

PiHole just updated to v5.0.0. A lot of great feature that you want to have access too like group management. However, you need to update your setup a bit to have it working perfectly.

Snapd taking too long to stop

Snapcraft daemon snapd can take too long to stop on Ubuntu 20.04. There is a way to force the service to stop faster using systemd.

Wireguard and Torrent on Linux

Setup Wireguard VPN Client on Linux to have only selected application having their traffic redirected to the server.

Tutorial to setup DNS-over-TLS (DoT)

Tutorial to help you configure your own DNS-over-TLS server (DoT).
This is useful if you’re using an Android 9 (Pie) smartphone.

DNS-over-HTTPS Servers (aaflalo-me[-gcp|-nyc])

This article describes in great details the operation of 2 DNS-over-HTTPS servers.
How they are setup and on which providers.
It also contains the different information needed to use them.

DNS-over-HTTPS with Pi-Hole

Introduction In my previous article/tutorial, I’ve explained how to setup your own DNS-over-HTTPS (DoH) server using Nginx, Certbot, dnscrypt-proxy and dns-over-https. In this article I’ll explain to you how to add Pi-Hole into the mix to block the unwanted advertising…. Continue Reading →

Tutorial to setup your own DNS-over-HTTPS (DoH) server

If you’re looking for an easy setup, checkout my review of NextDNS: DoT and DoH provider for easy ADBlocking. Introduction Traditional DNS queries and responses are sent over UDP or TCP without encryption. This is vulnerable to eavesdropping and spoofing… Continue Reading →

Elastic Stack with TLS

Introduction At work, we decided to give a try to the Elastic Stack (Elastic Search, Logstash and Filebeat in our case) while having the whole communication secured with TLS. TLS Protocol You might at this point wonder how all the… Continue Reading →

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