阿里云服务器无法开通FTP，如何开放20,21,40000端口？服务器开放端口的方法如何配置安全组的入网规则配置安全组教程如何配置安全组的入网规则配置安全组教程在云端安全组提供类似虚拟防火墙功能，用于设置单个或多个 ECS 实例的网络访问控制，是重要的安全隔离手段。创建 ECS 实例时，您必须选择一个安全组。您还可以添加安全组规则，对某个安全组下的所有 ECS 实例的出方...

问答 2018-07-18 来自：开发者社区

配置端口监听，添加后端服务器，健康检查状态为异常

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更新时间 2025-09-22 09:48:12

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云服务器ECS

云服务器 ECS（Elastic Compute Service）是一种弹性可伸缩的计算服务，助您降低 IT 成本，提升运维效率，使您更专注于核心业务创新。

产品详情页

ECS控制台

新用户免费试用