How to Fix “Client network socket disconnected…” in Node.js

The error "Client network socket disconnected before secure TLS connection was established" occurs when a secure connection to a server cannot be set up due to reasons like unstable internet, incorrect security settings, or interference from firewalls. This issue is network-related rather than specific to any programming language. Common causes include timeout issues, proxy or VPN interference, firewall blocking, SSL certificate problems, incompatible TLS versions, server configuration issues, and incorrect client configuration. Solutions involve checking network connectivity, verifying server SSL/TLS configuration, ensuring TLS version compatibility, analyzing server logs, and implementing retry mechanisms. As a last resort, bypassing SSL certificate validation by setting `rejectUnauthorized` to false can be considered, but it poses significant security risks. Tools like Rollbar can help manage and monitor errors in real-time, making the debugging process more manageable.

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