tcpdump4.7.4 version 4.7.4
libpcap version 1.7.4
Usage: tcpdump4.7.4 [-aAbdDefhHIJKlLnNOpqRStuUvxX#] [ -B size ] [ -c count ]
[ -C file_size ] [ -E algo:secret ] [ -F file ] [ -G seconds ]
[ -i interface ] [ -j tstamptype ] [ -M secret ] [ --number ]
[ -Q in|out|inout ]
[ -r file ] [ -s snap
