# 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="https://3201622183-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F9X3FDdkCL2HzhbPpPMFt%2Fuploads%2FlvijAwvjWviU8Vfb5wZ2%2Fimage.png?alt=media&#x26;token=58f7d7f8-90c0-429d-98f3-a72d14f6e5b1" alt=""><figcaption><p>Access Control</p></figcaption></figure>