Load Balancer Access Control List (VPC)

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Available in VPC

Load Balancer Access Control List (ACL) is a set of rules directly applied to load balancers for network security and traffic control. You can set allowance or blocking policies for certain IP addresses and ports in detail.

Caution
  • Access Control List can be applied on any load balancers created after the December 14, 2023 release.
    • As for load balancers that the setting is not available, the listener Access Control List setting button is disabled, which can be used only after you create a new load balancer.
  • Inline Load Balancer is not applicable.
  • Detailed permission settings for Sub Account will be provided in the future.

Create Access Control List

To create an Access Control List:

  1. In the VPC environment of the NAVER Cloud Platform console, navigate to i_menu > Services > Networking > Load Balancer.
  2. Click the Access Control List menu.
  3. Navigate to [Create ACL].
  4. When the Access Control List creation page appears, proceed with the setting.
    • Access Control List name
    • Select the usage rule IP
    • Memo
  5. Click [Create].
  6. You can view created Access Control List.
    Note
    • Applicable load balancers are as follows:
      • Application Load Balancer, Network Load Balancer, Network Proxy Load Balancer
    • Up to 100 ACLs can be created for each Region.
    • ACL setting blocking and inflow logs are not provided.

1. Create IP rules

To create IP rules:

  1. Select the name of the ACL for which an IP rule is to be created and click [Set rules].
  2. Set detailed rules in the IP rule setting page.
    • Priority: Specify the rule priority within the range of 0–199.
    • Source: Specify the source IP address or range.
    • Blocked ports: Specify a single port or a port range for the source IP address.
    • Action: Set whether to allow or block the specified IP address and port.
  3. Click [Apply].
    Note

    Up to 100 IP rules can be registered for each ACL.

2. Apply ACL to Load Balancer

To apply the ACL you created to a load balancer's listener:

  1. In the VPC environment of the NAVER Cloud Platform console, navigate to i_menu > Services > Networking > Load Balancer.
  2. Select the targeted load balancer.
  3. Click [Change listener settings].
  4. Select the targeted listener for ACL.
  5. Click [Set Access Control List].
  6. In the Set Access Control List page, select the Access Control List.
  7. Click [Apply].
  8. You can see the information of the ACL applied to the listener setting's Access Control List field.
    Note

    For each load balancer instance, up to 100 listeners can be applied with ACLs.

3. View configuration information

Click [Change listener settings] of a load balancer to view the applied Access Control List. In the Details section of an Access Control List, you can view Applied load balancers and listeners item.

4. Delete ACL

Cancel the application of an Access Control List from a load balancer's listener. To delete an Access Control List:

Caution
  • If the targeted Access Control List is being configured in the listener, you cannot delete it.
    First, you need to check the listener being applied and cancel the application in the Access Control List details page.
  • You can check this information from the Applied load balancers and listeners list in the Access Control List details page.

  1. Cancel application of Access Control List from load balancer's listener

    • Navigate to i_menu > Services > Networking > Load Balancer.
    • Select the targeted load balancer.
    • Click [Change listener settings].
    • Select the targeted listener for ACL.
    • Click [Set Access Control List].
    • In the Set Access Control list, select Not applied.
    • Click [Apply].

  2. Cancel application of Access Control List

    • Navigate to i_menu > Services > Networking > Load Balancer.
    • Click the Access Control List menu.
    • Click the Access Control List to delete, and click [Delete].
    • Click [Delete] in the Delete popup.