:37777
(TCP)
Critical 风险
Dahua DVR TCP
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TCP — Other
端口概览
端口号
37777
服务名称
Dahua DVR TCP
传输协议
TCP
类别
Other
安全风险
Critical
端口范围
已注册 (1024-49151)
什么是端口 37777?
Default TCP client access port for Dahua brand DVR, NVR, and IP camera systems. Used by Dahua's proprietary client software (SmartPSS, DSS) for remote viewing and management. Heavily targeted in botnet and vulnerability scanning campaigns.
TCP
Other
常用
安全注意事项
端口37777（Dahua DVR TCP）被归类为严重风险。此端口不应暴露在公网上。该服务在未加密的情况下传输数据，容易受到窃听、凭据窃取和中间人攻击。
建议：在防火墙处封锁此端口。改用加密替代方案（SSH、SFTP、HTTPS）。