https://karlquinsland.com/tags/troubleshooting/Recent content in Troubleshooting on karlHugoen-usFri, 01 Oct 2021 00:00:00 +0000https://karlquinsland.com/skyhole-expired-lets-encrypt-ca/Fri, 01 Oct 2021 00:00:00 +0000https://karlquinsland.com/skyhole-expired-lets-encrypt-ca/<p>If you somehow missed it, one of the certificates used by Lets Encrypt chain of trust <a href="https://letsencrypt.org/docs/dst-root-ca-x3-expiration-september-2021/" target="_blank" rel="noopener noreffer ">expired</a> this week. As expected, things broke&hellip;. including my private, filtered DNS over TLS server - <a href="https://github.com/kquinsland/skyhole/" target="_blank" rel="noopener noreffer ">SkyHole</a>. Below is a condensed form of my notes to create the exact document that I wish I had while trying to triage broken DNS on my phone.</p> <p><strong>TL;DR:</strong> Implement solution 3 from <a href="https://www.openssl.org/blog/blog/2021/09/13/LetsEncryptRootCertExpire/" target="_blank" rel="noopener noreffer ">this</a> post.</p>