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Fixing Cloudflare 521 Error: Enable Origin Pull Setup - Fix Secure Connection Failed in Firefox-How to Avoid index.lock File in Git

2026-07-28 15:54:18
Fixing Cloudflare 521 Error: Enable Origin Pull Setup - Fix Secure Connection Failed in Firefox-How to Avoid index.lock File in Git

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

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