Enabling and disabling Multi-Factor Authentication (MFA) in Oracle Cloud Infrastructure (OCI) can be done using the OCI Command Line Interface (CLI). Below are the step-by-step commands to achieve this:
### Prerequisites
1. **Install OCI CLI**: Make sure you have the OCI CLI installed and configured. If not, you can follow the instructions [here](https://docs.oracle.com/en-us/iaas/Content/API/SDKDocs/cliinstall.htm).
2. **OCI CLI Configuration**: Ensure your OCI CLI is configured properly with the necessary API keys and user details. You can configure it using `oci setup config`.
### Enabling MFA for a User
1. **Get the User OCID**: First, you need to know the OCID of the user for whom you want to enable MFA.
```sh
oci iam user list --all
```
This will list all users. Note the OCID of the user.
2. **Enable MFA**: Use the following command to enable MFA for the user.
```sh
oci iam mfa enable --user-id <user_ocid>
```
Replace `<user_ocid>` with the actual OCID of the user.
### Disabling MFA for a User
1. **Get the User OCID**: If you don't already have the user's OCID, list all users and find the OCID.
```sh
oci iam user list --all
```
2. **Disable MFA**: Use the following command to disable MFA for the user.
```sh
oci iam mfa disable --user-id <user_ocid>
```
Replace `<user_ocid>` with the actual OCID of the user.
### Example Workflow
#### Enabling MFA
1. **List Users**:
```sh
oci iam user list --all
```
Output:
```json
{
"data": [
{
"compartment-id": "ocid1.tenancy.oc1..aaaaaaaaxxxxxxx",
"description": "User for testing",
"id": "ocid1.user.oc1..aaaaaaaaxxxxxxx",
"name": "testuser",
"lifecycle-state": "ACTIVE"
}
]
}
```
2. **Enable MFA for the User**:
```sh
oci iam mfa enable --user-id ocid1.user.oc1..aaaaaaaaxxxxxxx
```
This command will prompt the user to set up MFA using an authenticator app.
#### Disabling MFA
1. **List Users**:
```sh
oci iam user list --all
```
Output:
```json
{
"data": [
{
"compartment-id": "ocid1.tenancy.oc1..aaaaaaaaxxxxxxx",
"description": "User for testing",
"id": "ocid1.user.oc1..aaaaaaaaxxxxxxx",
"name": "testuser",
"lifecycle-state": "ACTIVE"
}
]
}
```
2. **Disable MFA for the User**:
```sh
oci iam mfa disable --user-id ocid1.user.oc1..aaaaaaaaxxxxxxx
```
### Additional Information
- **Permissions**: Ensure that your OCI user has the necessary permissions to manage MFA settings. You might need policies that allow `MANAGE mfa-family` on users.
- **Documentation**: For more details on the OCI CLI and MFA management, refer to the [OCI CLI Command Reference](https://docs.oracle.com/en-us/iaas/tools/oci-cli/latest/oci_cli_docs/) and the [OCI MFA Documentation](https://docs.oracle.com/en-us/iaas/Content/Identity/Tasks/managingusers.htm).
By following these commands, you can efficiently enable and disable MFA for users in your OCI tenancy using the OCI CLI.
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