Figure 12: Sample tcpdump output

net# ./tcpdump
tcpdump: listening on le0
14:28:30.721134 198.53.167.101.2202 > net.fonorola.net.ftp-data: . ack 171469466
14:28:30.987190 rwhois.fonorola.net.662 > net.fonorola.net.754: udp 36
14:28:30.994144 globeandmail.ca.nntp > news1.fonorola.net.3881: . ack 1025
win 6
3 packets received by filter
0 packets dropped by kernel
net#