The system 16 wherein the predetermined information includes a source IP address, {HEAD ~ a destination IP address}, a layer 3 protocol, a layer 4 source port and {TAIL ~ a layer 4 destination port} of a connection 
The system 16 wherein the predetermined information includes a source IP address , { HEAD ~ a destination IP address } , a layer 3 protocol , a layer 4 source port and { TAIL ~ a layer 4 destination port } of a connection
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH