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JWT & Session Management untuk Pemula: Autentikasi yang Aman - BelajarKoding | BelajarKoding

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Daftar Isi

Analogi Sederhana: Authentication = Tiket Masuk Event Session-Based = Paper Wristband Token-Based (JWT) = Digital Ticket dengan QR Code Kenapa Authentication Penting?Authentication vs Authorization Dua Approach Utama 1. Session-Based Authentication 2. Token-Based (JWT)Session-Based Authentication Cara Kerja Implementation Example Pros & Cons JWT (JSON Web Token)Apa itu JWT?JWT Structure Implementation Example Pros & Cons Access Token vs Refresh Token Access Token Refresh Token Implementation Cookie Security Cookie Attributes httpOnly secure sameSite Cookie Prefixes CSRF Protection CSRF Token Pattern SameSite Cookie Benefits Authentication yang Aman Session-Based Benefits:JWT Benefits:Kapan Pake Yang Mana?Pake Sessions kalau:Pake JWT kalau:Hybrid Approach (Best of Both Worlds)Security Best Practices 1. Password Hashing 2. Rate Limiting 3. Input Validation 4. Token Storage 5. Logout Properly 6. HTTPS Only Kesalahan Umum 1. Nyimpen Sensitive Data di JWT 2. Ga Ada Token Expiration 3. Secret yang Lemah 4. Cookie Security yang Kurang 5. Ga Ada CSRF Protection Modern Approaches OAuth 2.0 & Social Login Passwordless Authentication Testing Authentication Contoh Real-World dengan Security Concerns Contoh 1: E-commerce Website (Session-Based)Contoh 2: Mobile Banking App (JWT + Refresh Token)Contoh 3: SaaS Platform (Hybrid Approach)Kesalahan Umum yang Harus Dihindari 1. Nyimpen JWT di localStorage 2. Ga Ada Token Expiration 3. JWT Secret yang Lemah 4. Nyimpen Sensitive Data di JWT 5. Ga Ada CSRF Protection (Cookie-Based Auth)6. Ga Ada Rate Limiting di Login 7. Ga Ada Session/Token Cleanup 8. Cookie Settings yang Ga Aman Security Checklist untuk Authentication Password Security Session Management JWT Implementation Authentication Flow Cookie Security Monitoring & Logging HTTPS & Transport Kesimpulan

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

Full-stack Developer·20 November 2025·24 min read