The host format should start with "https://s3." followed by the AWS region and ".amazonaws.com".
The full format is: https://s3.your-region.amazonaws.com
Replace your-region with the actual AWS region where your S3 bucket is located.

You need to specify the AWS access key, secret access key, default region, S3 bucket name, and the AWS endpoint URL.
The AWS endpoint URL should be in the format "https://s3.your-region.amazonaws.com" age of war