If you use theĪmazon S3 console to enable server access logging, the console automatically updates the bucket To allow s3:PutObject access for the logging service principal. To grant access by using the bucket policy on the target bucket, update the bucket policy Policy on the target bucket to grant access to the logging service principal Subject to the usual access control restrictions. You can't enable S3 Object Lock on the target bucket.Īmazon S3 uses a special log delivery account to write server access logs. Default server-sideĮncryption with AWS Key Management Service (AWS KMS) keys (SSE-KMS) is not supported. (SSE-S3), which uses the 256-bit Advanced Encryption Standard (AES-256). You can use default bucket encryption on the target bucket only if you use server-side encryption with Amazon S3 managed keys If there are Deny statements in your bucket policy, make sure that theyĭon't prevent Amazon S3 from delivering access logs. When you create new buckets, ACLs are disabled by default. For more information, see Permissions for log delivery. Permissions to the logging service principal. In that case, you must use a bucket policy to grant access If the targetīucket uses the bucket owner enforced setting for Object Ownership, ACLs are disabled and However, we recommend that you use a bucket policy. You can use either a bucket policy or bucket access control lists (ACLs) to grant logĭelivery permissions. You can enable or disable server access logging by using the Amazon S3 console, Amazon S3 API, theĪWS Command Line Interface (AWS CLI), or AWS SDKs.īefore you enable server access logging, consider the following: S3 buckets with S3 Object Lock can't be used as destination buckets for server access For more information, see How do I enable log delivery? Recommend that you save access logs in a different bucket. However, delivering logs to the source bucket willĬause an infinite loop of logs and is not recommended. You can have logsĭelivered to any bucket that you own that is in the same Region as the source bucket, Your target bucket should not have server access logging enabled. (You can delete the log files at any time.) We do not assess data transferĬharges for log file delivery, but we do charge the normal data transfer rate for However, any log files that the system delivers to you will accrue the usual charges for There is no extra charge for enabling server access logging on an Amazon S3 bucket. Logging requests using server access logging. For more information about logging basics, see The time and date that the request was processed. Information can include the request type, the resources that are specified in the request, and The target bucket must also not have Requester Pays enabled.Īn access log record contains details about the requests that are made to a bucket. The same AWS Region and AWS account as the source bucket, and must not have a default When you enable logging, Amazon S3 deliversĪccess logs for a source bucket to a target bucket that you choose. It can also help you learn about your customer baseīy default, Amazon S3 doesn't collect server access logs. For example, access log informationĬan be useful in security and access audits. Server access logs are useful for many applications. Server access logging provides detailed records for the requests that are made to an Amazon S3īucket.
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