Here is a simplified overview of the process:
The specific URL http://169.254.169.254/latest/meta-data/iam/security-credentials/ provides a way to retrieve the IAM security credentials for an instance. When an instance makes a request to this URL, it receives a JSON document containing the security credentials, including: Here is a simplified overview of the process:
These credentials are temporary and rotate regularly, enhancing security by minimizing the window of opportunity for misuse. Here is a simplified overview of the process:
The response from the metadata service might look similar to this: Here is a simplified overview of the process:
"AccessKeyId": "ASIAQHJYEXAMPLEKLEA",
"SecretAccessKey": "6Z+BexampleMoreThanJust4Chars1234567890",
"SessionToken": "IQoJb2Zhc2luMSJIMEYCIQCexampleyourdatal87uw4example2JexampleNotBase64Encoded",
"Expiration": "2023-04-14T20:32:05Z"