Ensure Cloud SQL instances require all incoming connections to use SSL

HochStufe 1Automatisiertgcp

Beschreibung

Without enforced TLS, database credentials and data can cross the network unencrypted. Every instance must have requireSsl true or sslMode ENCRYPTED_ONLY / TRUSTED_CLIENT_CERTIFICATE_REQUIRED. Read-only gcloud calls against the active project (gcloud config set project, or CLOUDSDK_CORE_PROJECT); credentials come from the SDK's normal configuration (gcloud auth login, a service account or ADC). A missing CLI, credential or disabled API fails the check.

So wird geprüft

Prüfmethode: Shell-Befehl

shell

out=$(gcloud sql instances list --format='value(name,settings.ipConfiguration.requireSsl,settings.ipConfiguration.sslMode)' 2>/dev/null) || exit 1
printf '%s\n' "$out" | awk -F '\t' 'NF && $2 != "True" && $3 != "ENCRYPTED_ONLY" && $3 != "TRUSTED_CLIENT_CERTIFICATE_REQUIRED" { n++; print "SSL not required: " $1 } END { if (!n) print "compliant" }'

Erwartete Ausgabe: compliant

So wird behoben

Behebungsmethode: Anleitung oder Infrastruktur-Patch

gcloud sql instances patch <instance> --ssl-mode=ENCRYPTED_ONLY (or TRUSTED_CLIENT_CERTIFICATE_REQUIRED). Update clients to connect with TLS or via the Cloud SQL Auth Proxy first.

Eigenschaften

Betriebssysteme: Beliebig
Tags: gcpdatabase
Referenz: CIS Google Cloud Platform Foundation Benchmark v5.0.0 - Cloud SQL - require SSL/TLS for incoming connections (verify section number for your release)

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