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Cloud SQL Auth Proxy Overview

A utility for connecting securely to your Cloud SQL instances

Cloud SQL Proxy is a secure connectivity utility that enables applications to connect to Google Cloud SQL instances without requiring manual configuration of SSL certificates or network access rules. It works by establishing an encrypted connection between the client and the Cloud SQL instance using TLS and authenticating requests through Google Cloud IAM, ensuring that only authorized users or services can access the database. The proxy runs locally or alongside applications, exposing a local TCP port or Unix socket that applications can use as if they were connecting to a standard database. This abstraction simplifies development and deployment by allowing developers to use familiar database clients while the proxy handles authentication and encryption behind the scenes. It supports both public and private IP connections and can be deployed in environments such as local machines, virtual machines, Kubernetes clusters, or as a sidecar container.

Additional Details for Cloud SQL Auth Proxy

Operating Systems

Linux, Mac, Windows

Programming Language

Registered

2026-03-17

Last Updated

2026-05-21

Maintainers

sf-editor1

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Cloud SQL Auth Proxy