Update & Delete a Listener

Use this guide to modify or remove listeners from your Application Load Balancers (ALBs).

Updating a Listener

1. Access the Load Balancer Homepage: Go to https://hcm-3.console.vngcloud.vn/vserver/load-balancer/vlb.

2. Select Your Load Balancer: Click on the Load Balancer containing the listener you want to edit.

3. Go to the Listener Tab: In the Load Balancer details page, select the "Listener" tab.

4. Review Listener Details: Click on the listener you want to edit in the list. Review its details on the right side of the screen, including:

   • Listener information

   • Policy information (if applicable)

   • Certificate information (for HTTPS listeners)

5. Click "Edit": Click the "Edit" icon next to the listener you want to modify.

6. Make Changes: A pop-up window will appear, allowing you to edit the following:

   • Request Headers: Modify the headers that are added to requests.

   • Client Certificate Authentication (HTTPS): Enable or disable client certificate authentication (see Client Certificate Authentication for details).

   • Default Certificate (HTTPS): Change the default SSL/TLS certificate.

   • Default Pool: Change the pool that handles requests not covered by policies.

   • Advanced Configuration:

     • Configure timeouts

     • Configure IP whitelists

7. Save Changes: Click "Save" to finalize your edits.

Deleting a Listener

1. Access the Load Balancer Homepage: Go to https://hcm-3.console.vngcloud.vn/vserver/load-balancer/vlb.

2. Select Your Load Balancer: Click on the Load Balancer containing the listener you want to delete.

3. Go to the Listener Tab: In the Load Balancer details page, select the "Listener" tab.

4. Click "Delete": Click the "Delete" icon next to the listener you want to remove.

5. Confirm Deletion: A confirmation window will appear. Click "Delete" to finalize.

Important Notes

• Listener Names: Listener names cannot be changed after creation.

• HTTPS Listeners: If you delete an HTTPS listener, associated certificates will not be automatically deleted.

• Default Pool: Ensure you have a default pool configured to handle traffic if you delete a listener that was the default for certain requests.