Overview

This topic describes how to handle the issue that websites protected by an Anti-DDoS Pro or Anti-DDoS Premium instance cannot be pinged.

Solution

  • Query the status of the Anti-DDoS Pro or Anti-DDoS Premium instance. If blackhole filtering is triggered for the Anti-DDoS Pro or Anti-DDoS Premium instance, you cannot access the websites protected by the instance from the Internet.
    To query the status of the instance, perform the following operations: Log on to the Anti-DDoS Pro console. In the left-side navigation pane, click Instances. On the page that appears, check the Status of the instance. Status of the instance
  • Confirm whether website services and non-website services are added to the Anti-DDoS Pro or Anti-DDoS Premium instance that you purchase. If no services are added, the ping operation fails.
  • If the issue persists, obtain ping or my traceroute (MTR) logs and submit a ticket attached with these logs to Alibaba Cloud technical support.

Application scope

  • Cloud security