Fetch-url-http-3a-2f-2fmetadata.google.internal-2fcomputemetadata-2fv1-2finstance-2fservice Accounts-2f -

.../token : Fetches an OAuth2 access token for the default service account. .../identity : Fetches an OpenID Connect (OIDC) ID token.

is a localized service available only to your VM instances. It stores details such as the instance name, ID, and most critically, service account information and security tokens. Stack Overflow 1. Purpose of the Query The specific endpoint and most critically

Use an Allow-list of approved domains rather than a block-list of forbidden ones. and most critically