Configuring Kafka ACL Users

Before Resetting a Password

Resetting a user password will interrupt services. Change the user password in the client configuration file or code as soon as possible.

Constraints

• The initial user set in Kafka instance creation cannot be deleted.

Prerequisites

• SASL_SSL has been enabled when you create the Kafka instance.
• Kafka users can be configured only for Kafka instances in the Running state.

Creating a User

1. Log in to the console.
2. Click in the upper left corner to select a region.
   

   Select the region where your Kafka instance is located.

3. Click and choose Application > Distributed Message Service (for Kafka) to open the console of DMS for Kafka.
4. Click the desired Kafka instance to go to the instance details page.
5. On the Users page, click Create User.
6. Set user information by referring to Configuring Kafka ACL Users.

   Table 1 User creation parameters

   Parameter	Description
   Username	The username used to access a Kafka instance, you can customize a name that complies with the rules: 4–64 characters; starts with a letter; can contain only letters, digits, hyphens (-), and underscores (_).
   Password	The password used to access a Kafka instance. A password must meet the following requirements: Contains 8 to 32 characters. Contains at least three of the following character types: uppercase letters, lowercase letters, digits, and special characters `~! @#$ %^&*()-_=+\|[{}];:'",<.>? and spaces, and cannot start with a hyphen (-). Cannot be the username spelled forward or backward.

7. Click OK.

   After the user is created, grant permissions to the user by referring to Configuring Kafka Topic Permissions.

Resetting the Password (for the Initial User)

1. Log in to the console.
2. Click in the upper left corner to select a region.
   

   Select the region where your Kafka instance is located.

3. Click and choose Application > Distributed Message Service (for Kafka) to open the console of DMS for Kafka.
4. Reset the password for the initial user in either of the following ways.
   • Choose More > Reset Kafka Password in the row containing the desired Kafka instance.
   • Click the desired Kafka instance to go to the instance details page. Choose More > Reset Kafka Password in the upper left corner.
   • Click the desired Kafka instance to go to the instance details page. On the Basic Information page, click Reset Password next to Username in the Connection section.
   • Click the desired Kafka instance to go to the instance details page. On the Users page, click Reset Password in the row containing the desired user.

5. Enter and confirm a new password, and click OK.
   • If the password is successfully reset, a success message is displayed.
   • If the password fails to be reset, a failure message is displayed. In this case, reset the password again. If you still fail to reset the password after multiple attempts, contact customer service.
   

   The system will display a success message only after the password is successfully reset on all brokers.

Resetting the Password (for Non-initial Users)

1. Log in to the console.
2. Click in the upper left corner to select a region.
   

   Select the region where your Kafka instance is located.

3. Click and choose Application > Distributed Message Service (for Kafka) to open the console of DMS for Kafka.
4. Click the desired Kafka instance to go to the instance details page.
5. On the Users page, click Reset Password in the row containing the desired user.
6. Enter and confirm a new password, and click OK.
   • If the password is successfully reset, a success message is displayed.
   • If the password fails to be reset, a failure message is displayed. In this case, reset the password again. If you still fail to reset the password after multiple attempts, contact customer service.
   

   The system will display a success message only after the password is successfully reset on all brokers.

Deleting a User

1. Log in to the console.
2. Click in the upper left corner to select a region.
   

   Select the region where your Kafka instance is located.

3. Click and choose Application > Distributed Message Service (for Kafka) to open the console of DMS for Kafka.
4. Click the desired Kafka instance to go to the instance details page.
5. In the navigation pane, choose Users.
6. Delete a user in either of the following ways:
   • In the row containing the desired user, click Delete.
   • Select one or more users and click Delete above the list.

7. In the displayed Delete User dialog box, click OK to delete the user.