tcpdump相信很多人对他有有了解，详细的网络分析软件
直接执行tcpdump
[root@www ~]# tcpdump
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on usbmon1, link-type USB_LINUX_MMAPPED (USB with padded Linux header), capture size 65535 bytes
02:43:57.538585 CONTROL SUBMIT to 1:1:0
02:43:57.538587 CONTROL COMPLETE from 1:1:0
02:44:01.539160 INTERRUPT COMPLETE to 1:1:1
