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 …

Comprehensive guide to authentication methods: sessions, JWT, OAuth 2.0, OIDC, and SAML. Authentication vs Authorization Authentication (AuthN): Who are you? Verifying identity Credentials: username/password, tokens, biometrics Result: User identity established Authorization (AuthZ): What can you do? Verifying …

Security best practices for authentication: password security, token storage, CSRF protection, MFA, and common vulnerabilities. Password Security Best Practices 1✅ DO: 2- Use bcrypt, scrypt, or Argon2 for hashing 3- Minimum 12 characters 4- Require complexity (upper, lower, number, symbol) 5- Implement rate limiting on …

Authentication and authorization middleware patterns for Go web applications. Includes JWT, OAuth2, Auth0, and CORS implementations. Use Case Protect API endpoints with authentication Implement role-based access control Integrate with OAuth providers (Auth0, Google, GitHub) Handle CORS for frontend applications JWT …