> For the complete documentation index, see [llms.txt](https://docs.console.zenlayer.com/welcome/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.console.zenlayer.com/welcome/content-delivery-network/domain-management/access-control.md).

# Access Control

Click one domain name in the domain list and click **Access Control**.

You can enable IP restriction, Geographic restriction, Referer restriction and UA restrictions. These features regulate access to Zenlayer CDN and improve service security.

<figure><img src="/files/A3SNMW0SmWqCIQBbNl7l" alt=""><figcaption><p>Access Control</p></figcaption></figure>