Re: Please suggest me

From: Matti Aarnio (
Date: Fri Jul 20 2001 - 14:21:07 EST

On Fri, Jul 20, 2001 at 02:13:00PM -0400, Dipak Biswas wrote:
> Hi All,
> I'm quite new to linux world. I've a very awkard question for you.
> That is: I'm writting an user process, where I need all outgoing
> IP packets to be blocked and captured. First, is it really possible? If
> yes, how? I don't want to make any kernel source code changes. A wild
> guess: by configuration changes, is it possible to make IP process write
> on to a particular FD which I can read when I require?

        Look at how tools like tcpdump and etherreal do it.
        It has been done over and over again -- in userspace tool.

> Thanks,
> dipak

/Matti Aarnio
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