This topic describes how to adjust the rule evaluation order of a network access control list (ACL). The rules within a network ACL are evaluated in the effective order. A smaller order number indicates a higher priority. You can sort rules to specify the sequence in which rules are evaluated.

Adjust the inbound rule sequence

  1. Log on to the VPC console.
  2. In the left-side navigation pane, click Network ACL.
  3. In the top navigation bar, select the region of the network ACL.
  4. On the Network ACL page, find the target network ACL and click Manage in the Actions column.
  5. Click the Inbound Rule tab, and then click Sort.
  6. On the Sort page, adjust the evaluation sequence by dragging the inbound rules into the desired order, and then click OK.

Adjust the outbound rule sequence

  1. Log on to the VPC console.
  2. In the left-side navigation pane, click Network ACL.
  3. In the top navigation bar, select the region of the network ACL.
  4. On the Network ACL page, find the target network ACL and click Manage in the Actions column.
  5. Click the Outbound Rule tab, and then click Sort.
  6. On the Sort page, adjust the evaluation sequence by dragging the outbound rules into the desired order, and then click OK.