turbot/gcp_compliance

Control: 6.4 Ensure that the Cloud SQL database instance requires all incoming connections to use SSL

Description

It is recommended to enforce all incoming connections to SQL database instance to use SSL.

SQL database connections if successfully trapped (MITM); can reveal sensitive data like credentials, database queries, query outputs etc. For security, it is recommended to always use SSL encryption when connecting to your instance.

Remediation

This recommendation is applicable for PostgreSQL, MySQL generation 1, MySQL generation 2 and SQL Server 2017 instances.

From Console

  1. Login in to Cloud SQL Instances
  2. Click on an instance name to see its configuration overview.
  3. In the left-side panel, select Connections.
  4. In the SSL encryption section, click Allow only SSL connections.
  5. Under Manage server certificates click Create new certificate.
  6. Under Manage client certificates click Create a client certificate.
  7. Follow the instructions shown to learn how to connect to your instance.

From Command Line

  1. To enforce SSL encryption for an instance run the command:
gcloud sql instances patch INSTANCE_NAME --require-ssl

Usage

steampipe check gcp_compliance.control.cis_v120_6_4

SQL

This control uses a named query:

sql_instance_require_ssl_enabled

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