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端口号    进程名称            所使用协议             描述

1              TCPMUX           TCP                         TCP端口多路复用服务5              RJE                    TCP                         远程任务入口7              ECHO                TCP和UDP            Echo(回声)11            USERS              TCP和UDP            当前活跃用户13            DAYTIME           TCP和UDP            日期时间17            QUOTE              TCP和UDP            本日引述20            FTP-DATA         TCP                         文件传输-数据21            FTP                     TCP                         文件传输-控制23            TELNET             TCP                         Telnet25            SMTP                  TCP                         简单邮件传输协议35            PRINTER           TCP和UDP            任何私有打印机服务37            TIME                    TCP和UDP            时间41            GRAPHICS        TCP和UDP            图形42            NAMESERV       UDP                        主机名服务器43            NICNAME           TCP                        查阅用户身份49            LOGIN                 TCP                        登录主机协议53            DNS                     TCP和UDP           域名服务器67            BOOTPS             UDP                       Bootstrap协议服务器68            BOOTPC             UDP                       Bootstrap协议客户机69            TFTP                    UDP                       重要的文件传输协议79            FINGER               TCP                       Finger80            HTTP                    TCP和UDP          因特网HTTP101          HOSTNAME        TCP和UDP          NIC主机名服务器105          CSNET-NS         TCP和UDP          邮箱名称服务器110          POP3                   TCP                       邮局协议3137          NETBIOS-NS     TCP和UDP           NetBIOS名称服务138          NETBIOS-DG     TCP和UDP           NetBIOS数据报服务139          NETBIOS-SS      TCP和UDP          NetBIOS会话服务161          SNMP                   UDP                      简单网络管理协议162          SNMPTRAP         UDP                      SNMPTRAP179          BGP                      TCP                       边缘网关协议

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