LDAP: A Nostalgic Dive into Authentication and Why It's Still Kicking in 2025

Even in the cloud-native era, where everything is an API call away, some technologies from the past refuse to fade away. Recently, I found myself helping my team of talented engineers configure HashiCorp Boundary for Microsoft Active Directory authentication. I was surprised to see that they were not familiar with the concepts of LDAP, a technology that was a cornerstone of my career for years. After spending countless hours configuring Domino, Sametime, WebSphere Portal, and Connections with LDAP, the process felt like riding a bike. ...

November 22, 2025 · 7 min · 1368 words · Matteo Bisi