root@ubuntu:/home/christopher# tcpdump -i eth0 'tcp port 8888'tcpdump: verbose output suppressed, use -v or -vv for full protocol decodelistening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes13:05:32.620531 IP 192.168.0.170.1553 > 192.168.0.190.8888: S 851167939:851167939(0) win 32768 <mss 1460,nop,nop,sackOK>13:05:35.635588 IP 192.168.0.170.1553 > 192.168.0.190.8888: S 851167939:851167939(0) win 32768 <mss 1460,nop,nop,sackOK>13:05:41.674600 IP 192.168.0.170.1553 > 192.168.0.190.8888: S 851167939:851167939(0) win 32768 <mss 1460,nop,nop,sackOK>3 packets captured3 packets received by filter0 packets dropped by kernelLOCAL:root@ubuntu:/home/christopher# tcpdump -i lo 'tcp port 8888'tcpdump: verbose output suppressed, use -v or -vv for full protocol decodelistening on lo, link-type EN10MB (Ethernet), capture size 96 bytes