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Daftar Isi

Analogi Sederhana: Authentication = Tiket Masuk EventSession-Based = Paper WristbandToken-Based (JWT) = Digital Ticket dengan QR CodeKenapa Authentication Penting?Authentication vs AuthorizationDua Approach Utama1. Session-Based Authentication2. Token-Based (JWT)Session-Based AuthenticationCara KerjaImplementation ExamplePros & ConsJWT (JSON Web Token)Apa itu JWT?JWT StructureImplementation ExamplePros & ConsAccess Token vs Refresh TokenAccess TokenRefresh TokenImplementationCookie SecurityCookie AttributeshttpOnlysecuresameSiteCookie PrefixesCSRF ProtectionCSRF Token PatternSameSite CookieBenefits Authentication yang AmanSession-Based Benefits:JWT Benefits:Kapan Pake Yang Mana?Pake Sessions kalau:Pake JWT kalau:Hybrid Approach (Best of Both Worlds)Security Best Practices1. Password Hashing2. Rate Limiting3. Input Validation4. Token Storage5. Logout Properly6. HTTPS OnlyKesalahan Umum1. Nyimpen Sensitive Data di JWT2. Ga Ada Token Expiration3. Secret yang Lemah4. Cookie Security yang Kurang5. Ga Ada CSRF ProtectionModern ApproachesOAuth 2.0 & Social LoginPasswordless AuthenticationTesting AuthenticationContoh Real-World dengan Security ConcernsContoh 1: E-commerce Website (Session-Based)Contoh 2: Mobile Banking App (JWT + Refresh Token)Contoh 3: SaaS Platform (Hybrid Approach)Kesalahan Umum yang Harus Dihindari1. Nyimpen JWT di localStorage2. Ga Ada Token Expiration3. JWT Secret yang Lemah4. Nyimpen Sensitive Data di JWT5. Ga Ada CSRF Protection (Cookie-Based Auth)6. Ga Ada Rate Limiting di Login7. Ga Ada Session/Token Cleanup8. Cookie Settings yang Ga AmanSecurity Checklist untuk AuthenticationPassword SecuritySession ManagementJWT ImplementationAuthentication FlowCookie SecurityMonitoring & LoggingHTTPS & TransportKesimpulan
AuthenticationSecurityBackendJWT

JWT & Session Management untuk Pemula: Autentikasi yang Aman

Panduan lengkap JWT dan session management dari nol. Belajar token-based vs session-based authentication, cookies security, CSRF protection, dan best practices.

20 Nov 202524 min read4.641 kata
Galih Pratama
Galih Pratama
Full-stack Developer·20 November 2025·24 min read
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