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Cloud Config:Check the TLS version of an OSS bucket

Last Updated:Sep 16, 2025

An OSS bucket is considered compliant if Transport Layer Security (TLS) is enabled and it uses a TLS version within the specified range.

Scenarios

To ensure secure data transmission, configure your OSS buckets to serve content over HTTPS, which uses TLS encryption. Use a secure TLS version, such as TLSv1.2 or TLSv1.3.

Risk level

Default risk level: Medium.

You can change the risk level of this rule as needed.

Detection logic

  • An OSS bucket is considered compliant if TLS is enabled and its TLS version is within the range specified by the parameter. The default TLS versions are TLSv1.2 and TLSv1.3.

Rule details

Parameter

Description

Rule name

Check the TLS version of an OSS bucket

Rule identifier

oss-bucket-tls-version-check

Tags

OSS, TLS

Auto-remediation

Not supported

Trigger type

Periodic

Trigger frequency

24 hours

Supported resource types

OSS bucket

Input parameters

tlsVersion

Remediation

To fix a non-compliant resource, see Set the TLS version.