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felegy/rancher-over-cloudflare-tunnel.md

Last active June 20, 2023 10:40
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Proxying Rancher UI over Cloudflare via CF tunnel with Rancher`s built-in Kubernetes api proxy
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rancher-over-cloudflare-tunnel.md

Rancher UI over Cloudflare tunnel

1. HTTPS to TCP backend for Rancher's Kubernetes API proxy /k8s/clusters

Based on the origin documentation:

https://developers.cloudflare.com/cloudflare-one/tutorials/kubectl/#configure-the-tunnel image

2. Typical HTTPS to HTTPS tunnel connection

Important to set Additional application settings / TLS / Origin Server Name to hostname of the origin request.

image

3. Order of the rules is important

Because the first rule is more extensive than the second, so the correct order is as follows:

  1. rule HTTPS to TCP
  2. rule HTTPS to HTTPS
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