The Quick UDP Internet Connections (QUIC) protocol provides the same level of security as TLS or SSL but supports lower connection and transmission latency. If you want to improve content delivery efficiency and ensure data transmission security, enable QUIC. This topic describes how to enable QUIC.


The QUIC feature is activated. For more information, see How to apply.


  1. Log on to the Alibaba Cloud CDN console.
  2. In the left-side navigation pane, click Domain Names.
  3. On the Domain Names page, find the domain name that you want to manage and click Manage in the Actions column.
  4. In the left-side management pane of the domain name for which you want to configure QUIC, click QUIC Protocol and turn on QUIC Protocol.