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Home / macos-help / Fix Nginx 502 Bad Gateway: Upstream Connection Refused - Check and Speed Up Cloudflare DNS Propagation-VS Code GitHub Login Error: Authentication Failed

Fix Nginx 502 Bad Gateway: Upstream Connection Refused - Check and Speed Up Cloudflare DNS Propagation-VS Code GitHub Login Error: Authentication Failed

Updated 2026-07-28 09:59:54macos-help
Fix Nginx 502 Bad Gateway: Upstream Connection Refused - Check and Speed Up Cloudflare DNS Propagation-VS Code GitHub Login Error: Authentication Failed
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  • Match the tool to the workflow that fails most often, not only the feature list.
  • Keep export format, permissions, and automation limits in the final decision.

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