zhizhu
Home / browser-issues / Fix OBS Virtual Camera Permission Denied on Mac - How to Resolve Cloudflare 521 Origin Unreachable-Fix Nginx 'unknown directive server_name' Config Test Error

Fix OBS Virtual Camera Permission Denied on Mac - How to Resolve Cloudflare 521 Origin Unreachable-Fix Nginx 'unknown directive server_name' Config Test Error

2026-06-13 15:02:38
Fix OBS Virtual Camera Permission Denied on Mac - How to Resolve Cloudflare 521 Origin Unreachable-Fix Nginx 'unknown directive server_name' Config Test Error

Result check

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