tcpdumpを若干見やすくして、コンソールに出力ってのができる感じであってるかな。
install
brew install tcpflow
how to use
-iでinterface、-cでコンソール（これつけないとファイルできまくりなので要注意）。
sudo tcpflow -i en1 -c port 80
$ tcpflow -h
tcpflow version 0.21 by Jeremy Elson <jelson@circlemud.org>
usage: tcpflow [-chpsv] [-b max_bytes] [-d debug_level] [-f max_fds]
[-i iface] [-w file] [expression]
-b: max number of bytes per flow to save
-c: console print only (don't create files)
-d: debug level; default is 1
-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.
なんとなく入れてみたけど、いろいろ通信してんのね。
