JSON Web Token (JWT)
Understanding JSON Web Tokens (JWT) for secure authentication and information exchange.
Basic Security Concepts: Authentication
Fundamental security concepts and authentication methods
Overview
This document covers the basic security concepts and authentication methods used in web applications.
Authentication Methods
| Method | Description | Use Cases |
|---|---|---|
| Basic Auth | Simple username/password authentication sent in HTTP headers | Development environments, simple APIs |
| JWT Token | JSON Web Tokens for stateless authentication | Modern web applications, microservices |
| OAuth2 | Authorization framework that enables third-party applications to obtain limited access | Social logins, API authorization |
Basic Authentication
Basic Authentication is a simple authentication scheme built into the HTTP protocol. The client sends HTTP requests with the Authorization header that contains the word Basic followed by a space and a base64-encoded string username:password.
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