Java Tech Enthusiast
Feb 12, 2025 · Backend Development
How to Implement Single Device Login in Web Applications
The article explains how to enforce single‑device login in web apps by contrasting token‑version control—incrementing a version field in the database and embedding it in JWTs to invalidate older tokens—with a WebSocket‑based method that pushes real‑time logout messages, comparing their trade‑offs and suggesting a hybrid solution.
Backend DevelopmentWebSocketauthentication
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