:6667
(TCP)
IRC (Internet Relay Chat)
High 风险TCP — Messaging
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端口概览
端口号
6667
服务名称
IRC (Internet Relay Chat)
传输协议
TCP
类别
Messaging
安全风险
High
端口范围
已注册 (1024-49151)
什么是端口 6667?
Port 6667 is the standard port for IRC (Internet Relay Chat), one of the oldest internet communication protocols still in use. IRC servers listen on this port for client connections to join channels and exchange messages. IRC is commonly associated with malware command-and-control (C2) communication and botnets in security contexts.
TCP
Messaging
常用
安全注意事项
端口6667（IRC (Internet Relay Chat)）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。