:399
(TCP/UDP)
Low 风险
ISO-TSAP-C2
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TCP/UDP — System & Infrastructure
端口概览
端口号
399
服务名称
ISO-TSAP-C2
传输协议
TCP/UDP
类别
System & Infrastructure
安全风险
Low
端口范围
知名端口 (0-1023)
什么是端口 399?
ISO Transport Class 2 Non-Control. ISO transport protocol class 2 for non-control data communication.
TCP/UDP
System & Infrastructure
安全注意事项
端口399（ISO-TSAP-C2）被归类为低风险。该服务使用加密或攻击面极小，相对安全可以暴露。
建议：应用标准安全实践。保持软件更新并监控访问。