Using CTS to Audit OBS

Updated on 2024-10-24 GMT+08:00

Cloud Trace Service (CTS) records operations on cloud resources in your account. You can use the logs to perform security analysis, track resource changes, audit compliance, and locate faults.

After you enable CTS and configure a tracker, CTS can record management and data traces of OBS for auditing.

For details about how to enable and configure CTS, see Enabling CTS.

For details about OBS management and data traces that can be tracked by CTS, see Cloud Trace Service.

Figure 1 CTS

Procedure

Log in to the management console.
In the upper left corner of the top navigation menu, click to select a region.
Choose Service List > Management & Governance > Cloud Trace Service. The Trace List page is displayed.
Configure the cloud audit for OBS by referring to Configuring a Tracker in the Cloud Trace Service User Guide.

**Table 1** OBS management operations logged by CTS
Tracker Type	Operation	Resource	Trace Name
Management	Deleting a bucket	bucket	deleteBucket
Management	Deleting the CORS configuration of a bucket	bucket	deleteBucketCors
Management	Deleting the custom domain name configuration	bucket	deleteBucketCustomdomain
Management	Deleting the lifecycle configuration of a bucket	bucket	deleteBucketLifecycle
Management	Deleting a bucket policy	bucket	deleteBucketPolicy
Management	Deleting the cross-region replication configuration of a bucket	bucket	deleteBucketReplication
Management	Deleting the tag configuration of a bucket	bucket	deleteBucketTagging
Management	Deleting the static website hosting configuration of a bucket	bucket	deleteBucketWebsite
Management	Creating a bucket	bucket	createBucket
Management	Configuring the bucket ACL	bucket	setBucketAcl
Management	Configuring the CORS rule for a bucket	bucket	setBucketCors
Management	Setting the custom domain name for a bucket	bucket	setBucketCustomdomain
Management	Configuring the bucket lifecycle rules	bucket	setBucketLifecycle
Management	Configuring the bucket logging function	bucket	setBucketLogging
Management	Configuring the event notification function for buckets	bucket	setBucketNotification
Management	Configuring the bucket policy	bucket	setBucketPolicy
Management	Configuring the bucket quota	bucket	setBucketQuota
Management	Configuring the cross-region replication function for buckets	bucket	setBucketReplication
Management	Configuring the bucket storage class	bucket	setBucketStorageclass
Management	Configuring the bucket tag	bucket	setBucketTagging
Management	Configuring the versioning function for buckets	bucket	setBucketVersioning
Management	Configuring the static domain name for buckets	bucket	setBucketWebsite
Management	Configuring server-side encryption for a bucket	bucket	setBucketEncryption
Management	Deleting the server-side encryption configuration of a bucket	bucket	deleteBucketEncryption

**Table 2** OBS data operations logged by CTS
Tracker Type	Operation	Resource	Trace Name
Data_Read	Downloading an object	object	GET.OBJECT
Data_Read	Querying the object ACL	object	GET.OBJECT.ACL
Data_Read	Querying the bucket website configuration	object	GET.OBJECT.WEBSITE
Data_Read	Accessing an object through the website	object	HEAD.OBJECT.WEBSITE
Data_Read	Querying the object metadata	object	HEAD.OBJECT
Data_Read	Listing part data	object	LIST.OBJECT.UPLOAD
Data_Write	Deleting an object	object	DELETE.OBJECT
Data_Write	Canceling a part	object	DELETE.UPLOAD
Data_Write	Queries the cross-domain requests for objects	object	OPTIONS.OBJECT
Data_Write	Uploading an object	object	POST.OBJECT
Data_Write	Deleting objects in batches	object	POST.OBJECT.MULTIDELETE
Data_Write	Restoring Archive objects	object	POST.OBJECT.RESTORE
Data_Write	Merging parts	object	POST.UPLOAD.COMPLETE
Data_Write	Initializing multipart tasks	object	POST.UPLOAD.INIT
Data_Write	Uploading an object	object	PUT.OBJECT
Data_Write	Configuring the object ACL	object	PUT.OBJECT.ACL
Data_Write	Copying an object	object	PUT.OBJECT.COPY
Data_Write	Configuring the object storage class	object	PUT.OBJECT.STORAGECLASS
Data_Write	Uploading a part	object	PUT.PART
Data_Write	Copying a part	object	PUT.PART.COPY

Follow-up Procedure

You can click Disable under the Operation column on the right of a tracker to disable the tracker. After the tracker is disabled, the system will stop recording operations, but you can still view existing operation records.

You can click Delete under the Operation column on the right of a tracker to delete the tracker. Deleting a tracker has no impact on existing operation records. When you enable CTS again, you can view operation records that have been generated.

Parent Topic: Monitoring and Logging

Previous topic: OBS Monitoring Metrics

Next topic: Using Logging to Record OBS Logs

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