.TH tcpsnoop.d 1m "$Date: 2015/09/30 22:01:09 $" "USER COMMANDS" .SH NAME tcpsnoop.d \- snoop TCP network packets by process. DTrace. .SH SYNOPSIS .B tcpsnoop.d .SH DESCRIPTION This analyses TCP network packets and prints the responsible PID and UID, plus standard details such as IP address and port. This captures traffic of newly created TCP connections that were established while this program was running. It can help identify which processes is causing TCP traffic. This is a DTrace only version of "tcpsnoop" - an enhanced program that provides command line options. Since this uses DTrace, only the root user or users with the dtrace_kernel privilege can run this command. .SH OS Solaris 10 3/05 .SH STABILITY unstable - this script uses fbt provider probes which may change for future updates of the OS, invalidating this script. Please read Docs/Notes/ALLfbt_notes.txt for further details about these fbt scripts. .SH EXAMPLES .TP Default output, snoop TCP network packets with details, # .B tcpsnoop.d .PP .SH FIELDS .TP UID user ID .TP PID process ID .TP CMD command name .TP LADDR local IP address .TP RADDR remote IP address .TP LPORT local port number .TP RPORT remote port number .TP DR direction .TP SIZE packet size, bytes .PP .SH DOCUMENTATION See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with verbose descriptions explaining the output. .SH EXIT tcpsnoop.d will print traffic until Ctrl\-C is hit. .SH AUTHOR Brendan Gregg [Sydney, Australia] .SH SEE ALSO tcpsnoop(1M), tcptop(1M), dtrace(1M) |