diff options
| author | George V. Neville-Neil <gnn@FreeBSD.org> | 2012-05-12 20:38:18 +0000 |
|---|---|---|
| committer | George V. Neville-Neil <gnn@FreeBSD.org> | 2012-05-12 20:38:18 +0000 |
| commit | 055173dba4a263acf10325a49eebf82915369ed2 (patch) | |
| tree | aec2772e8855e6dbaea6d8136ed0c47bcb825dee /Examples/tcpsnoop_example.txt | |
| parent | 87c8f7aa3a46118212b99f0d58b18aa93c06b02a (diff) | |
Notes
Diffstat (limited to 'Examples/tcpsnoop_example.txt')
| -rw-r--r-- | Examples/tcpsnoop_example.txt | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/Examples/tcpsnoop_example.txt b/Examples/tcpsnoop_example.txt new file mode 100644 index 000000000000..1124175d2d16 --- /dev/null +++ b/Examples/tcpsnoop_example.txt @@ -0,0 +1,61 @@ +The following is a demonstration of the tcpsnoop program. + + + +Here we run tcpsnoop and wait for new TCP connections to be established, + + # tcpsnoop + UID PID LADDR LPORT DR RADDR RPORT SIZE CMD + 100 20892 192.168.1.5 36398 -> 192.168.1.1 79 54 finger + 100 20892 192.168.1.5 36398 <- 192.168.1.1 79 66 finger + 100 20892 192.168.1.5 36398 -> 192.168.1.1 79 54 finger + 100 20892 192.168.1.5 36398 -> 192.168.1.1 79 56 finger + 100 20892 192.168.1.5 36398 <- 192.168.1.1 79 54 finger + 100 20892 192.168.1.5 36398 <- 192.168.1.1 79 606 finger + 100 20892 192.168.1.5 36398 -> 192.168.1.1 79 54 finger + 100 20892 192.168.1.5 36398 <- 192.168.1.1 79 54 finger + 100 20892 192.168.1.5 36398 -> 192.168.1.1 79 54 finger + 100 20892 192.168.1.5 36398 -> 192.168.1.1 79 54 finger + 100 20892 192.168.1.5 36398 <- 192.168.1.1 79 54 finger + 0 242 192.168.1.5 23 <- 192.168.1.1 54224 54 inetd + 0 242 192.168.1.5 23 -> 192.168.1.1 54224 54 inetd + 0 242 192.168.1.5 23 <- 192.168.1.1 54224 54 inetd + 0 242 192.168.1.5 23 <- 192.168.1.1 54224 78 inetd + 0 242 192.168.1.5 23 -> 192.168.1.1 54224 54 inetd + 0 20893 192.168.1.5 23 -> 192.168.1.1 54224 57 in.telnetd + 0 20893 192.168.1.5 23 <- 192.168.1.1 54224 54 in.telnetd + 0 20893 192.168.1.5 23 -> 192.168.1.1 54224 78 in.telnetd + 0 20893 192.168.1.5 23 <- 192.168.1.1 54224 57 in.telnetd + 0 20893 192.168.1.5 23 -> 192.168.1.1 54224 54 in.telnetd + 0 20893 192.168.1.5 23 <- 192.168.1.1 54224 54 in.telnetd + 0 20893 192.168.1.5 23 -> 192.168.1.1 54224 60 in.telnetd + 0 20893 192.168.1.5 23 <- 192.168.1.1 54224 63 in.telnetd + 0 20893 192.168.1.5 23 -> 192.168.1.1 54224 54 in.telnetd + 0 20893 192.168.1.5 23 <- 192.168.1.1 54224 60 in.telnetd + 0 20893 192.168.1.5 23 -> 192.168.1.1 54224 60 in.telnetd + 0 20893 192.168.1.5 23 <- 192.168.1.1 54224 60 in.telnetd + 0 20893 192.168.1.5 23 -> 192.168.1.1 54224 72 in.telnetd + [...] + +As new connections are made, each of the TCP packets are traced along with +the UID, PID and command name. + + + +tcpsnoop has many options, for example here we use "-v" to print times, + + # tcpsnoop -v + STRTIME UID PID LADDR LPORT DR RADDR RPORT SIZE CMD + 2005 Jul 11 21:21:19 0 242 192.168.1.5 79 <- 192.168.1.1 49001 54 inetd + 2005 Jul 11 21:21:19 0 242 192.168.1.5 79 -> 192.168.1.1 49001 54 inetd + 2005 Jul 11 21:21:19 0 242 192.168.1.5 79 <- 192.168.1.1 49001 54 inetd + 2005 Jul 11 21:21:19 0 242 192.168.1.5 79 <- 192.168.1.1 49001 56 inetd + 2005 Jul 11 21:21:19 0 242 192.168.1.5 79 -> 192.168.1.1 49001 54 inetd + 2005 Jul 11 21:21:19 0 23181 192.168.1.5 79 -> 192.168.1.1 49001 444 in.fingerd + 2005 Jul 11 21:21:19 0 23181 192.168.1.5 79 -> 192.168.1.1 49001 54 in.fingerd + 2005 Jul 11 21:21:19 0 23181 192.168.1.5 79 <- 192.168.1.1 49001 54 in.fingerd + 2005 Jul 11 21:21:19 0 23181 192.168.1.5 79 <- 192.168.1.1 49001 54 in.fingerd + 2005 Jul 11 21:21:19 0 23181 192.168.1.5 79 <- 192.168.1.1 49001 54 in.fingerd + 2005 Jul 11 21:21:19 0 23181 192.168.1.5 79 -> 192.168.1.1 49001 54 in.fingerd + [...] + |