Date: Mon, 24 Apr 2006 21:20:34 -0700 (PDT) From: Kelly Yancey <kbyanc@posi.net> To: Amit Mondal <amit.freebsd@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: freeBSD /ipfw/ divert socket Message-ID: <20060424212004.B44267@gateway.posi.net> In-Reply-To: <20060424210235.T44267@gateway.posi.net> References: <a6cf19a10604202244q40dd981dq66b56f435ee245c8@mail.gmail.com> <20060424210235.T44267@gateway.posi.net>
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--0-256389840-1145938834=:44267
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On Mon, 24 Apr 2006, Kelly Yancey wrote:
> On Fri, 21 Apr 2006, Amit Mondal wrote:
>
> > Hi All,
> >
> > I need a little help with FreeBSD Kernel stuff. I wanna use Divert Socket to
> > sniff IP packet in FreeBSD.
> > For that I have compiled the kernel with options IPDIVERT and everything is
> > ok.
> >
> > Now, when I am not really sniffing and re-injecting the packet back to the
> > network stack, it is basically dropping all the packets. But I want it
> > pass-through it, when no application is reading at divert socket. My
> > question is, HOW CAN I MAKE IT PASS-THROUGH? IF NO APPLICATION IS READING
> > FROM DIVERT SOCKET, IT SHOULD WORK AS IF THERE IS NO DIVERT SOCKET.
> >
> > Thanks in adavnce
> >
> > Rgds
> > Amit
> >
>
> Attached is a really old patch I made against FreeBSD 4.7. It might
> apply to 4.9. Even if it doesn't, it should give you a pretty good idea
> how to implement the functionality you desire.
>
> Kelly
>
Sorry, wrong patch. The correct patch is attached.
Kelly
--
Kelly Yancey - kbyanc@{posi.net,FreeBSD.org} - kelly@nttmcl.com
FreeBSD, The Power To Serve: http://www.freebsd.org/
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