NATS is a high-performance messaging system. This guide covers setup and JWT-based authorization using nsc (NATS Security CLI) for secure, decentralized authentication. Installation 1# Install NATS server 2# macOS 3brew install nats-server 4 5# Linux 6wget …

Core authentication and authorization concepts overview. This page provides a quick reference and links to detailed guides. Quick Reference Authentication vs Authorization Authentication (AuthN): Who are you? Verifying identity Credentials: username/password, tokens, biometrics Result: User identity established …

Authorization models: RBAC, ABAC, and ACL with practical examples.

1. Role-Based Access Control (RBAC) Users are assigned roles, and roles have permissions. graph LR User[User: john@example.com] --> Role1[Role: Editor] User --> Role2[Role: Moderator] Role1 --> P1[Permission: create_post] Role1 --> P2[Permission: …