Curl-url-http-3a-2f-2f169.254.169.254-2flatest-2fapi-2ftoken Official

curl -H "X-aws-ec2-metadata-token: YOUR_TOKEN_HERE" http://169.254.169.254/latest/meta-data/instance-id

Show you how to extract (like IAM credentials) Explain the differences between IMDSv1 and IMDSv2 Provide a Python script to automate this process curl-url-http-3A-2F-2F169.254.169.254-2Flatest-2Fapi-2Ftoken

Do not assign overly permissive roles to EC2 instances. Use role-specific permissions and rotate credentials automatically. This method secures EC2 instance metadata access by

The command curl -X PUT "http://169.254.169" is essential for generating a Session Token required to access Amazon Web Services (AWS) Instance Metadata Service Version 2 (IMDSv2). This method secures EC2 instance metadata access by mitigating Server-Side Request Forgery (SSRF) vulnerabilities, requiring a token rather than allowing direct, unauthenticated access. Most SSRF vulnerabilities in web applications exploit GET

The IMDSv2 token endpoint requires the HTTP method PUT . This is a critical security feature. Most SSRF vulnerabilities in web applications exploit GET requests (e.g., fetching a URL provided by a user).