:18
(TCP/UDP)
Medium 风险
MSP
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TCP/UDP — Messaging
端口概览
端口号
18
服务名称
MSP
传输协议
TCP/UDP
类别
Messaging
安全风险
Medium
端口范围
知名端口 (0-1023)
什么是端口 18?
Message Send Protocol. A simple protocol for sending short messages between users on different hosts. Rarely used today.
TCP/UDP
Messaging
安全注意事项
端口18（MSP）被归类为中等风险。虽然此服务通常会暴露，但请在可用时考虑使用加密替代方案。
建议：保持服务更新。监控日志以发现异常活动。