# tcpflow Notes ------- Help Text ------- ``` tcpflow version 0.21 by Jeremy Elson usage: tcpflow [-chpsv] [-b max_bytes] [-d debug_level] [-f max_fds] [-i iface] [-r file] [expression] -b: max number of bytes per flow to save -c: console print only (don't create files) -C: console print only, but without the display of source/dest header -d: debug level; default is 1 -e: output each flow in alternating colors -f: maximum number of file descriptors to use -h: print this help message -i: network interface on which to listen (type "ifconfig -a" for a list of interfaces) -p: don't use promiscuous mode -r: read packets from tcpdump output file -s: strip non-printable characters (change to '.') -v: verbose operation equivalent to -d 10 expression: tcpdump-like filtering expression See the man page for additional information. ``` Example Usage ------- Links -------