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MongoDB Compass Cannot Connect to localhost:27017 – Fixes - OBS Virtual Camera Not Working After Update Fix-UFW: Allow or Deny a Specific IP Address

Updated 2026-06-13 15:11:25browser-issues
MongoDB Compass Cannot Connect to localhost:27017 – Fixes - OBS Virtual Camera Not Working After Update Fix-UFW: Allow or Deny a Specific IP Address
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.