E-MapReduce 集群 header 节点有公网 IP，存在安全风险，是否可以通过 ECS 控制台关闭公网 IP，关闭公网 IP 是否会对 E-MapReduce 服务产生影响?-阿里云开发者社区

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开发者社区> 问答> 正文

E-MapReduce 集群 header 节点有公网 IP，存在安全风险，是否可以通过 ECS 控制台关闭公网 IP，关闭公网 IP 是否会对 E-MapReduce 服务产生影响?

开源大数据EMR

2019-04-26 16:09:03

301

E-MapReduce 集群 header 节点有公网 IP，存在安全风险，是否可以通过 ECS 控制台关闭公网 IP，关闭公网 IP 是否会对 E-MapReduce 服务产生影响?

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开源大数据EMR
2019-07-17 23:34:23

如果您没有使用 EMR 的统一元数据库功能，可以关闭公网 IP。

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