:5900
(TCP)
High 风险
VNC
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TCP — Remote Access
端口概览
端口号
5900
服务名称
VNC
传输协议
TCP
类别
Remote Access
安全风险
High
端口范围
已注册 (1024-49151)
什么是端口 5900?
Virtual Network Computing. Provides graphical remote desktop access using the RFB (Remote Framebuffer) protocol. Cross-platform but often unencrypted by default.
TCP
Remote Access
常用
安全注意事项
端口5900（VNC）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。