:1503
(TCP)
Low 风险
Windows Live Messenger
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TCP — Messaging
端口概览
端口号
1503
服务名称
Windows Live Messenger
传输协议
TCP
类别
Messaging
安全风险
Low
端口范围
已注册 (1024-49151)
什么是端口 1503?
Port 1503 was used by Microsoft NetMeeting and Windows Live Messenger (MSN Messenger) for data conferencing and file transfer. It supported whiteboard sharing, application sharing, and file transfer in Microsoft's conferencing products. The service was discontinued in 2013 when Microsoft migrated users to Skype.
TCP
Messaging
安全注意事项
端口1503（Windows Live Messenger）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。