Alibaba Cloud
TMA-ALIBABA-2.14
Ensure log monitoring and alerts are set up for OSS permission changes
Description
It is recommended that a metric filter and alarm be established for OSS Bucket RAM changes. Monitoring changes to OSS permissions may reduce time to detect and correct permissions on sensitive OSS bucket and objects inside the bucket. Reported as a manual review item: the benchmark audit needs console review or organisational judgement.
How it is checked
Audit method: Manual review
Perform the following steps to ensure log monitoring and alerts are set for OSS permission changes. 1. Logon to SLS Console. 2. Click Log Service Audit Service in the navigation pane to go to the Log Service Audit Service page. 3. Ensure the OSS are Enabled under the Access to Cloud Products > Global Configuration page, and click Central Project. 4. Select Alerts. 5. Ensure below alert rule has been enabled and saved in the target oss_log (operation: PutBucket and request_uri: acl) or operation: PutObjectAcl| select bucket, count (1) as c group by bucket
How it is fixed
Fix method: Guidance or infrastructure patch
Perform the following to ensure the log monitoring and alerts are set up for OSS permission changes: 1. Logon to SLS Console. 2. Click Log Service Audit Service in the navigation pane. 3. Go to Access to Cloud Products > Global Configuration page. a. Select a location of project for logs. b. Check the OSS and configure a proper days. c. Click Save to save the changes. 4. Go to Access to Cloud Products > Global Configurations click Central Project. 5. Select Log Management > OSS Log. 6. In the search/analytics console, input below query (operation: PutBucket and request_uri: acl) or operation: PutObjectAcl| select bucket, count (1) as c group by bucket 7.
Properties
- Operating systems
- Any
- Tags
- alibabalogging
- Reference
- CIS Alibaba Cloud Foundation Benchmark v2.0.1 - 2.14 Ensure log monitoring and alerts are set up for OSS permission changes