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How to Fix Cloudflare 521 Error with Firewall Settings - Stop Windows Explorer from Constantly Restarting-Fix Git Push Rejected Non Fast Forward Rebase Error

Updated 2026-07-28 16:43:45macos-help
How to Fix Cloudflare 521 Error with Firewall Settings - Stop Windows Explorer from Constantly Restarting-Fix Git Push Rejected Non Fast Forward Rebase 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.