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Tcpflow

Flags

Security

-U user
relinquish privleges and become user (if running as root)
-z dir
chroot to dir (requires that -U be used).

Control of Scanners

-E scanner
turn off all scanners except scanner
-S name=value

:Set a configuration parameter (-hh for info)

Console output options

-B
binary output, even with -c or -C (normally -c or -C turn it off)
-c
console print only (don't create files)
-C
console print only, but without the display of source/dest header
-0
don't print newlines after packets when printing to console
-s
strip non-printable characters (change to '.')
-D
output in hex (useful to combine with -c or -C)

Example

tcpflow -D -c -i en0
HEX 모드로 출력한다.
tcpflow -i eth0 port 80
포트 번호 필터링.

See also

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