feat: Use standard TLS hostname validation for instances with DNS names.#2125
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feat: Use standard TLS hostname validation for instances with DNS names.#2125
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jackwotherspoon
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LGTM, as long as we have manually tested on a real instance 👍
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…er certificate's server name.
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When the connector is configured with a DNS name, or if the Cloud SQL Instance reports that it has a DNS Name,
the connector will use standard TLS hostname validation when checking the server certificate. Now, the server's
TLS certificate must contain a SAN record with the instance's DNS name.
The ConnectSettings API added a field dns_names which contains all of the valid DNS names for
an instance..
See also GoogleCloudPlatform/cloud-sql-go-connector#954