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I am wondering tunneling way during commnunication between Cloud SQL and Cloud Sql proxy process.

https://cloud.google.com/sql/docs/mysql/sql-proxy

I refer to this URL. I can see "he proxy uses a secure tunnel to communicate with its companion process running on the server."

Could you know what way of tunnel it use during connection ? ssh tunnel or PPTP, IPSec , L2TP ?

canerbis
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1 Answers1

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As per the Cloud SQL Proxy documentation it uses a TLS encrypted tunnel as explained below:

  1. Secure connections: The proxy automatically encrypts traffic to and from the database using TLS 1.2 with a 128-bit AES cipher; SSL certificates are used to verify client and server identities.
  2. Easier connection management: The proxy handles authentication with Cloud SQL, removing the need to provide static IP addresses.
JMD
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