:119
(TCP)
Medium 风险
NNTP
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TCP — Messaging
端口概览
端口号
119
服务名称
NNTP
传输协议
TCP
类别
Messaging
安全风险
Medium
端口范围
知名端口 (0-1023)
什么是端口 119?
NNTP (Network News Transfer Protocol), defined in RFC 977 and updated in RFC 3977, is the protocol used to read and post articles to Usenet newsgroups. While Usenet still exists, NNTP usage has dramatically declined.
TCP
Messaging
安全注意事项
端口119（NNTP）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。