What are the networking requirements for using Hosted Rancher?

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What are the networking requirements for using Hosted Rancher?

Answer

The network requirements for Hosted Rancher are going to depend on your use cases. The following is a list of common uses cases and what is required:

  • To access the Rancher UI or API, you must have outbound TCP/443 connectivity to Hosted Rancher.
  • All downstream/managed clusters require outbound TCP/443 connectivity to Hosted Rancher.
  • If you are created a node driver based cluster, Hosted Rancher will need TCP/22 (SSH) connectivity to each node for the initial provisioning. Additionally, Hosted Rancher will need connectivity to the orchestration API, for example, the vSphere API.
  • For authentication provider integration, Hosted Rancher will require connectivity from Hosted Rancher to the authentication provider's endpoint. Generally no networking setup is needed if using a SaaS authentication provider such as Azure AD, Okta, or GitHub.

More detailed documentation for networking requirements can be found in Rancher's port requirements docs.

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