:1723
(TCP)
High 风险
PPTP
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TCP — Security & VPN
端口概览
端口号
1723
服务名称
PPTP
传输协议
TCP
类别
Security & VPN
安全风险
High
端口范围
已注册 (1024-49151)
什么是端口 1723?
Point-to-Point Tunneling Protocol. A VPN protocol developed by Microsoft. Considered cryptographically broken and insecure — use WireGuard, OpenVPN, or IPsec instead.
TCP
Security & VPN
常用
安全注意事项
端口1723（PPTP）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。