Re: [HELP] Ethernet frame redirector

From: Rusty Russell (rusty@linuxcare.com.au)
Date: Mon Apr 17 2000 - 21:47:18 EST

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In message <20000417054549.A27658@home.ds9a.nl> you write:
> On Mon, Apr 17, 2000 at 09:32:01AM +0800, 劉醇豐 wrote:
>
> > I am a newbie in Linux kernel programming. I am wondering if any of
> > you could tell me how to make an ethernet frame "redirector" as a
> > kernel module....What I wish to do is simple: "Receive an ethernet
> > frame, analyze it, and resend it from the SAME card with another MAC
> > address. No IP layer and above routines invloved."
>
> netfilter can do this for you, even from userspace if you want it to.

Unfortunately, no. Netfilter operates at the protocol layer. To do this
involves modifying the network driver, and some bridging-style
trickiness.

Rusty.

-- Hacking time.

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