Introduction to Ethereal (v.0.9.9), The Open Source Network-Protocol Analyzer

18
Ethereal
...Getting started: tcpdump capture filters...
tcpdump examples:
• Capture packets from host A to host B (A and B can be
specified as hostnames or IP addresses):
$ tcpdump src A and dst B
• Capture all traffic between host A and host B:
$ tcpdump host A and host B
or between three hosts:
$ tcpdump \( host A and host B \) \
or \( host B and host C \) \
or \( host C and host A \)