LDAP Auth in Kong

LDAP Authentication lets Kong validate a username and password directly against a corporate directory. The backend does not receive those credentials and does not need to implement LDAP. This article explains how the authentication header is built, how Kong locates the user in the directory, and how to protect /ldap-auth through Kong Ingress Controller. This lab continues from Installing KIC. It reuses the kong Gateway, the echo Service, and the 192.168.121.200 address assigned by MetalLB to kong-gateway-proxy.