：How to Block Malicious IP Access After Configuring Alibaba Cloud Content Delivery Network

Overview

This topic describes how to shield malicious IP access after configuring Alibaba Cloud Content Delivery Network to protect site data and traffic loads.

Background information

1. Log on to the Alibaba Cloud CDN console.
2. On the Domain Names page, find the target domain name and click Manage.
3. In the left-side navigation pane of the specified domain name, click Access Control.
4. In the right-side domain name management section, click IP Blacklist or Whitelist.
5. In the IP Blacklist or Whitelist section, click Modify.
6. On the Rules tab, set the List Type parameter to Blacklist, enter the IP addresses to be blocked or denied, and click OK to save the IP addresses.

   Note: You can specify up to 700 IPv6 addresses, or 2,000 IPv4 addresses. The IP address string cannot exceed 30 KB in length. Separate IP addresses with carriage returns. Do not specify duplicate IP addresses.

   

Applicable scope

• CDN