:8042
(TCP)
High 风险
YARN NodeManager
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TCP — Other
端口概览
端口号
8042
服务名称
YARN NodeManager
传输协议
TCP
类别
Other
安全风险
High
端口范围
已注册 (1024-49151)
什么是端口 8042?
Port 8042 is the default port for the Apache Hadoop YARN NodeManager web interface. NodeManagers run on each worker node in a Hadoop cluster to manage containers and report resource usage to the ResourceManager. The web UI on this port shows running containers, logs, and node health information.
TCP
Other
安全注意事项
端口8042（YARN NodeManager）被归类为高风险。此端口是自动扫描和暴力破解攻击的常见目标。如必须暴露，请将访问限制为已知IP地址。
建议：使用防火墙规则将可信IP列入白名单。启用速率限制和入侵检测。