From owner-freebsd-net@FreeBSD.ORG  Thu Jul 26 13:24:16 2012
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Date: Thu, 26 Jul 2012 06:24:13 -0700
Message-ID: <CAJJwNVK5GSFUCOMNEdVgivbY+tPT6LgejFGUQ1fbozzvcrSGnw@mail.gmail.com>
From: m s <mah.s.369@gmail.com>
To: Daniel Hartmeier <daniel@benzedrine.cx>
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Subject: Re: tcpdump in freebsd
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It works correct.Thanks for your help.

On Thu, Jul 26, 2012 at 2:25 AM, Daniel Hartmeier <daniel@benzedrine.cx>wrote:

> On Thu, Jul 26, 2012 at 08:35:29AM +0000, m s wrote:
>
> > hi all. I want to use tcpdump just for input or just for outout
> > packet.isthis possible ? if no is there any other command that do
> > this?
>
> If filtering by source MAC (or IP) is not enough, you can patch tcpdump
> to hack in '-a in|out' using pcap_setdirection().
>
> HTH,
> Daniel
>