When you see a string like request-url-http-3A-2F-2F169.254.169.254-2Flatest-2Fmeta data-2Fiam-2Fsecurity credentials-2F , it is almost certainly an artifact of:
The provided URL is used to fetch temporary security credentials for an AWS EC2 instance. These credentials are part of AWS's effort to manage access to resources securely without needing to share long-term access keys. When you see a string like request-url-http-3A-2F-2F169
This URL is used by AWS instances to retrieve temporary security credentials for making secure requests to AWS services. The breakdown of the URL is: The breakdown of the URL is: : In
: In an SSRF attack, an attacker "tricks" a vulnerable web application into making a request to this internal URL on their behalf. When you see a string like request-url-http-3A-2F-2F169
: If the application does not need to access instance metadata, disable the service entirely or use host-based firewalls (like iptables ) to block the web server user from reaching that IP.
: The EC2 instance makes a request to the metadata service at the specified URL.