> For the complete documentation index, see [llms.txt](https://www.axisnow.io/zh/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.axisnow.io/zh/docs/edge/endpoints.md).
# 端点
AxisNow 端点概述
在 AxisNow 中，端点包括了域和设备两个关键概念。
## 域（Domain）
域名是基于 HTTP/S 协议的网站、应用程序或 API，通过 Edge 代理。例如，axisnow\.io、[www.axianow.io、api.axisnow.io。我们将它们视为](http://www.axianow.io、api.axisnow.io。我们将它们视为) 3 个域（hostname）。
→ [了解有关域的更多信息](/zh/docs/edge/endpoints/domains.md)
## SSL & TLS
提供了开箱即用的自动 HTTPS 功能，支持证书的自动颁发、申请、续期、集中管理和自动绑定，支持灵活的证书匹配策略，助力大规模域名在无需人工干预下实现安全通信。
→ [了解有关 SSL & TLS 的更多信息](/zh/docs/edge/endpoints/domains.md)
## TCP 转发
基于 TCP 协议的四层端口转发服务。
→ [了解有关 TCP 的更多信息](/zh/docs/edge/endpoints/domains.md)
## 设备（Device）
设备是运行了 AxisNow Agent SDK 的计算环境（移动/桌面设备、物联网设备、服务器或虚拟机）。通过部署 AxisNow Agent SDK，设备上下文可纳入策略控制。此功能我们正在努力开发中。
## 源地址（Origin Address）
配置 IP 或域名作为回源地址的引用对象。
→ [了解有关源地址的更多信息](/zh/docs/edge/endpoints/origin-address.md)
## 标签（Tag）
一种用于标识和分组端点的元数据标记，它允许您将域、TCP 或设备归类，并在策略规则中作为条件进行引用。
→ [了解有关端点中的标签的更多信息](/zh/docs/edge/endpoints/tags.md)
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