:1812
(UDP)
Medium 风险
RADIUS Authentication
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UDP — Security & VPN
端口概览
端口号
1812
服务名称
RADIUS Authentication
传输协议
UDP
类别
Security & VPN
安全风险
Medium
端口范围
已注册 (1024-49151)
什么是端口 1812?
Port 1812 is the official IANA-assigned port for RADIUS (Remote Authentication Dial-In User Service) authentication. RADIUS provides centralized authentication, authorization, and accounting (AAA) for users connecting to a network. It is fundamental to Wi-Fi enterprise authentication (802.1X), VPN access, and network access control.
UDP
Security & VPN
常用
安全注意事项
端口1812（RADIUS Authentication）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。