An AWS account administrator created an IAM group and applied the following managed policy to require that each individual user authenticate using multi-factor authentication:
After implementing the policy, the administrator receives reports that users are unable to perform Amazon EC2 commands using the AWS CLI. What should the administrator do to resolve this problem while still enforcing multi-factor authentication?

Question

An AWS account administrator created an IAM group and applied the following managed policy to require that each individual user authenticate using multi-factor authentication:

After implementing the policy, the administrator receives reports that users are unable to perform Amazon EC2 commands using the AWS CLI. What should the administrator do to resolve this problem while still enforcing multi-factor authentication?

Colin Ng · Accepted Answer

Instruct users to run the aws sts get-session-token CLI command and pass the multi-factor authentication —serial-number and —token-code parameters. Use these resulting values to make API/CLI calls

Colin Ng · Answer

Change the value of aws MultiFactorAuthPresent to true.

Colin Ng · Answer

Implement federated API/CLI access using SAML 2.0, then configure the identity provider to enforce multi-factor authentication.

Colin Ng · Answer

Create a role and enforce multi-factor authentication in the role trust policy Instruct users to run the sts assume-role CLI command and pass --serial-number and —token-code parameters Store the resulting values in environment variables. Add sts:AssumeRole to NotAction in the policy.

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