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Fix Cloudflare 521 Error on Nginx: Step-by-Step Guide - Resolve Cloudflare Wildcard Redirect Loop Issue-Fix Proxy-Related No Internet on Windows 11

2026-07-28 17:03:45
Fix Cloudflare 521 Error on Nginx: Step-by-Step Guide - Resolve Cloudflare Wildcard Redirect Loop Issue-Fix Proxy-Related No Internet on Windows 11

Result check

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

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