> 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/cn/global-accelerator/faq/when-should-i-consider-using-layer-4-http-https-domain-protection.md).

# 何时应考虑使用传输层 HTTP/HTTPS 域名保护？

### 前提条件

* 您的源支持 HTTP 和 HTTPS 协议。
* 您的加速器已配置 TCP 加速规则。

域名容易受到各种威胁和安全风险的影响，因此域名保护，特别是在 HTTP 和 HTTPS 的背景下，至关重要。您可以启用 HTTP 和 HTTPS 域名保护，以仅加速已配置的域名。


---

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