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docs: link HTTP01 guide to network policy requirements#2041

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iacker:docs/http01-network-policy-guidance
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docs: link HTTP01 guide to network policy requirements#2041
iacker wants to merge 1 commit intocert-manager:masterfrom
iacker:docs/http01-network-policy-guidance

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@iacker iacker commented Apr 7, 2026

Summary

  • add a short Network Policy Considerations section to the HTTP01 guide
  • point HTTP01 users to the existing Network Requirements and Network Policy guidance
  • link to webhook troubleshooting because admission connectivity is often part of the same failure mode

Why

Issue cert-manager/cert-manager#2334 collected several reports from users running restrictive network policies. The broad network requirements are already documented, but the HTTP01 guide did not point readers to that guidance at the place where they configure the solver.

Testing

  • reviewed the rendered markdown diff locally
  • verified the linked documentation targets exist in both edited doc trees

Closes cert-manager/cert-manager#2334

Signed-off-by: Billard <82095453+iacker@users.noreply.github.com>
@cert-manager-prow cert-manager-prow bot added the dco-signoff: yes Indicates that all commits in the pull request have the valid DCO sign-off message. label Apr 7, 2026
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@cert-manager-prow cert-manager-prow bot added the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Apr 7, 2026
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dco-signoff: yes Indicates that all commits in the pull request have the valid DCO sign-off message. size/M Denotes a PR that changes 30-99 lines, ignoring generated files.

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Add network policy allowance into documentation

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