https://wgauthier.com/blog/ Recent content in Blog on William John Gauthier Hugo -- gohugo.io en Mon, 08 Jul 2024 00:00:00 +0000 https://wgauthier.com/blog/facebook-custom-audience-tool/ Mon, 08 Jul 2024 00:00:00 +0000 https://wgauthier.com/blog/facebook-custom-audience-tool/ Earlier this year, I discovered Facebook’s Custom Audience service, which is a tool that makes it possible for advertisers to target ads to Facebook’s users based on demographic characteristics, such as age, gender, language, or existing customer relationships. I found the latter particularly interesting, as I later learned that many companies willingly share their customers’ contact information, often without their consent, with Facebook’s advertising service to exclude or target ads to them. https://wgauthier.com/blog/automatically-encrypt-emails-using-wkd-and-postfix/ Sun, 16 Jan 2022 00:00:00 +0000 https://wgauthier.com/blog/automatically-encrypt-emails-using-wkd-and-postfix/ Exchanging public PGP keys has always been hard to get right. Can you really be sure that the key you are fetching from a public keyserver over HKP belongs to the person you are trying to contact? A relatively new way of distributing public PGP keys, called the Web Key Directory (WKD), makes it easy to obtain a current public key for a given email address over HTTPS. The public keys are published under the . https://wgauthier.com/blog/edgeos-setup-with-mullvad-vpn/ Mon, 10 Jan 2022 00:00:00 +0000 https://wgauthier.com/blog/edgeos-setup-with-mullvad-vpn/ Mullvad truly cares about the security and privacy of its users, and they have made all their VPN clients available as open source. Therefore, they are undoubtedly my VPN provider of choice. Other than a unique 16-digit account number created during sign-up, no identifying information is required to use their service. Previously I have only used Mullvad on my laptop and mobile phone. Still, I wanted to extend the usage to most of my devices, including IoT devices that don’t have a VPN client built-in.