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Fix Chrome Certificate Error: Invalid Authority with Proxy Settings - How to Fix ERR_CONNECTION_RESET When Firewall Blocks Chrome-Fix Nginx Upstream Connection Refused Error

2026-07-28 12:43:23
Fix Chrome Certificate Error: Invalid Authority with Proxy Settings - How to Fix ERR_CONNECTION_RESET When Firewall Blocks Chrome-Fix Nginx Upstream Connection Refused Error

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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