An error when downloading from Amazon S3 (S3 download 403) typically indicates that your request is missing the necessary permissions to access the specified object. Unlike a 404 error, which suggests an object is missing, a 403 error confirms the object or bucket exists but access is explicitly or implicitly denied. Common Causes of S3 Download 403 Errors
If the file should be publicly accessible, verify that is turned off for both the bucket and the account. Additionally, confirm the bucket policy explicitly grants s3:GetObject to the public ( Principal: "*" ). 5. Use Enhanced Error Messages s3 download 403
: If you are trying to download a file via a public URL, the bucket-level or account-level "Block Public Access" settings may be preventing it. An error when downloading from Amazon S3 (S3
: The IAM user or role making the request lacks the s3:GetObject permission. : The IAM user or role making the
If objects were uploaded by a different account, ensure is set to Bucket owner enforced . This disables ACLs and ensures the bucket owner automatically owns all objects in the bucket. 3. Review AWS KMS Permissions