https://blog.boalbert.se/tags/security/Recent content in Security on boalbert - technical blogHugo -- 0.165.0en-usSat, 07 Feb 2026 19:57:54 +0100https://blog.boalbert.se/posts/2026/02/root-intermediate-leaf-certificate-chains/Sat, 07 Feb 2026 19:57:54 +0100https://blog.boalbert.se/posts/2026/02/root-intermediate-leaf-certificate-chains/A practical guide to certificate chains: how root, intermediate, and leaf certificates connect, and how to read the depth list from openssl s_client to fix TLS trust errors.