JWT Authentication Done Right: Tokens Without the Footguns
JSON Web Tokens are everywhere in modern authentication. They’re stateless, portable, and self-contained. They’re also easy to implement insecurely. These practices help you use JWTs without shooting yourself in the foot. JWT Structure A JWT has three parts, base64-encoded and dot-separated: h e e y a J d h e b r G . c p i a O y i l J o I a U d z . I s 1 i N g i n J a 9 t . u e r y e J z d W I i O i I x M j M i f Q . s I G 5 n 8 l 7 . . . Header: ...