AWS naming and URL patterns

IAM User

login URL

https://AWSAccountID.signin.aws.amazon.com/console

Naming

IAM User names should contain alphanumeric characters, or any of the following: _+=,.@-

S3 Bucket

path-style URL endpoint

https://s3.ap-northeast-1.amazonaws.com/bucket-name

virtual hosted-style URL endpoint

https://bucket-name.s3-ap-northeast-1.amazonaws.com

Bucket naming

no underscore(_)
can have dot(.) or hyphen(-)