[root@192~]#yum-yinstalltcpdumpsocat[root@192~]#socat-uUDP-LISTEN:9999,fork-开放一个udp的服务端，持续监听[root@192~]#echo"Hello,UDPServer"|socat-UDP:192.168.100.132:9999再开一个终端发送udp请求[root@192~]#socat-uUDP-LISTEN:9999,f