7 Authentication Concepts Every Developer Should Know

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Learn what authentication is, the basic methods like Basic Auth, Digest Auth, API keys, and sessions, then token-based authentication with Bearer tokens and JWTs, access and refresh tokens, OAuth2 and OpenID Connect, and SSO with SAML and OIDC.

⏱️ Timestamps:
0:00 - Intro
1:30 - What is Authentication?
2:53 - Basic Authentication
4:26 - Digest Authentication
6:12 - API Keys
8:16 - Session-Based Authentication
10:00 - Bearer Tokens and JWTs
12:54 - Access and Refresh Tokens
14:38 - OAuth2
16:14 - OpenID Connect
17:41 - Single Sign-On (SSO)
19:05 - Identity Protocols (SAML, OIDC)
20:44 - Authorization