Explanation: Conjur supports different authenticators for different cloud platforms. Each authenticator allows a resource or service running on the cloud platform to authenticate to Conjur using a unique identity token signed by the cloud provider. The following are the descriptions of each authenticator:
authn-iam: Enables an AWS resource to use its AWS IAM role to authenticate with Conjur. The resource sends a request to the AWS Security Token Service (STS) to get a signed AWS access token, and then sends the token to Conjur for verification.
authn-azure: Enables an Azure resource to authenticate with Conjur. The resource sends a request to the Azure Instance Metadata Service (IMDS) to get a signed Azure access token, and then sends the token to Conjur for verification.
authn-gcp: Enables a Google Cloud Platform resource to authenticate with Conjur. The resource sends a request to the Google Cloud Identity and Access Management (IAM) service to get a signed Google identity token, and then sends the token to Conjur for verification.
authn-jwt: Enables an application to authenticate to Conjur using a JWT from a JWT Provider. The application obtains a JWT from the JWT Provider, and then sends the JWT to Conjur for verification.
References: You can find more information about the Conjur authenticators in the following resources:
Supported Conjur Cloud authenticators
Configure Conjur Cloud authenticators
GCP Authenticator
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