:53
(TCP/UDP)
Low 风险
DNS
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TCP/UDP — DNS
端口概览
端口号
53
服务名称
DNS
传输协议
TCP/UDP
类别
DNS
安全风险
Low
端口范围
知名端口 (0-1023)
什么是端口 53?
Domain Name System. Translates human-readable domain names (e.g., example.com) into IP addresses. TCP is used for zone transfers and large responses; UDP for standard queries.
TCP/UDP
DNS
常用
安全注意事项
端口53（DNS）被归类为低风险。该服务使用加密或攻击面极小，相对安全可以暴露。
建议：应用标准安全实践。保持软件更新并监控访问。