关闭 阻止所有公开访问

存储桶策略(开放外部访问)

{"Version": "2012-10-17","Id": "S3PolicyId1","Statement": [{"Sid": "statement1","Effect": "Allow","Principal": {"AWS": "*"},"Action": "s3:GetObject","Resource": "arn:aws:s3:::my-bucket/*"}]
}

跨源资源共享(CORS)

[{"AllowedHeaders": ["*"],"AllowedMethods": ["PUT","POST"],"AllowedOrigins": ["*"],"ExposeHeaders": []}
]