Document Cloudflare Access 403 troubleshooting for GHE on-premise#320
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Add a troubleshooting section explaining why GHE-on-premise requests can fail with a Cloudflare Access "Forbidden" HTML response, and the two policy-level fixes (IP bypass or mTLS), since Happo cannot authenticate through Access itself. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Pull request overview
Adds targeted troubleshooting guidance to the GitHub Enterprise Server (on-premise) integration docs for cases where Cloudflare Access blocks Happo’s requests, clarifying the root cause and the required customer-side remediation.
Changes:
- Reflowed/normalized Markdown formatting in the GHE on-premise setup guide for readability.
- Added a new troubleshooting section explaining the Cloudflare Access 403 “Forbidden” HTML response and recommended Cloudflare-side fixes (IP bypass or mTLS).
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Summary
Prompted by a recent support ticket from a customer who hit this error.
Test plan
🤖 Generated with Claude Code