Shell Commands/tcpdump

tcpdump - Dumps traffic on a network.

Non-standard template, type tcpdump -h to get options.

Usage: tcpdump [-aAdDeflLnNOpqRStuUvxX] [-c count] [ -C file_size ]
                [ -E algo:secret ] [ -F file ] [ -i interface ] [ -r file ]
                [ -s snaplen ] [ -T type ] [ -w file ] [ -y datalinktype ]
                [ expression ]