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Merge pull request #10718 from hashicorp/dnephin/doc-agent-tls-ca 

docs: give better guidance about how to configure the agent TLS CA
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Daniel Nephin 2021-07-29 13:01:03 -04:00 committed by GitHub
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website/content/docs/agent/options.mdx
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@ -2211,6 +2211,12 @@ This section documents all of the configuration settings that apply to Agent TLS
TLS is used by the HTTP API, server RPC, and xDS interfaces. Some of these settings may also be TLS is used by the HTTP API, server RPC, and xDS interfaces. Some of these settings may also be
applied automatically by [auto_config](#auto_config) or [auto_encrypt](#auto_encrypt). applied automatically by [auto_config](#auto_config) or [auto_encrypt](#auto_encrypt).
~> **Security Note:** The Certificate Authority (CA) specified by `ca_file` or `ca_path`
should be a private CA, not a public one. We recommend using a dedicated CA
which should not be used with any other systems. Any certificate signed by the
CA will be allowed to communicate with the cluster and a specially crafted certificate
signed by the CA can be used to gain full access to Consul.
- `ca_file` This provides a file path to a PEM-encoded certificate - `ca_file` This provides a file path to a PEM-encoded certificate
authority. The certificate authority is used to check the authenticity of client authority. The certificate authority is used to check the authenticity of client
and server connections with the appropriate [`verify_incoming`](#verify_incoming) and server connections with the appropriate [`verify_incoming`](#verify_incoming)