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Home / developer-tools / Fix Cloudflare 521 Error on Nginx: Step-by-Step Guide - Fix Git Authentication Error in VS Code with Two-Factor Auth-Fix Nginx Configuration Test: Missing Semicolon Error

Fix Cloudflare 521 Error on Nginx: Step-by-Step Guide - Fix Git Authentication Error in VS Code with Two-Factor Auth-Fix Nginx Configuration Test: Missing Semicolon Error

Updated 2026-07-28 20:10:58developer-tools
Fix Cloudflare 521 Error on Nginx: Step-by-Step Guide - Fix Git Authentication Error in VS Code with Two-Factor Auth-Fix Nginx Configuration Test: Missing Semicolon Error
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.

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