From trust to Tokens: A Short History of PostgreSQL Authentication | POSETTE 2026

This talk provides a comprehensive overview of PostgreSQL authentication evolution, from early Unix-centric methods (trust, ident, peer) through password authentication, enterprise integrations (LDAP, Kerberos), to modern certificate and token-based approaches. It is designed for PostgreSQL users, developers, and DBAs who want to understand the rationale behind authentication choices and avoid common configuration mistakes.