:71
(TCP/UDP)
Low 风险
NETRJS-1
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TCP/UDP — System & Infrastructure
端口概览
端口号
71
服务名称
NETRJS-1
传输协议
TCP/UDP
类别
System & Infrastructure
安全风险
Low
端口范围
知名端口 (0-1023)
什么是端口 71?
NETRJS-1 through NETRJS-4 (ports 71-74) were assigned for the Remote Job Entry service used on the original ARPANET to submit batch jobs to remote mainframe computers. Defined in RFC 740, NETRJS allowed time-sharing users to submit card-image job streams to a remote server.
TCP/UDP
System & Infrastructure
安全注意事项
端口71（NETRJS-1）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。