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Re: disabling ethernet loopback device completely



Thanks Robert.

I guess Linux is trying to be too helpful this time.

To NAT the traffic out to the lan: how do I go about
doing this? Just a couple of high-level steps should
be enough to get me started.

Thanks,

S

--- Robert Brockway <rbrockway@opentrend.net> wrote:

> On Thu, 10 Feb 2005, salman h wrote:
> 
> > I want to disable the loopback interface "lo" on
> my
> > machine completely so that when I try to send data
> > packets to the IP address that is configured for
> > "eth0" on my local machine, the packets are
> actually
> > put on the physical network.
> 
> > and while it disables the loopback interface, data
> > packets are still not being put on the physical
> > network.
> 
> The network code is smart and will spot traffic
> destined for the local 
> machine and avoid transmitting it over the ethernet.
>  I discovered this 
> years ago when I wanted to do some testing without
> using a seperate box. 
> At the time I determined this was not possible (it
> was before Linux had a 
> firewall built in).
> 
> You could consider trying to NAT the traffic out on
> to the lan.
> 
> Rob
> 
> -- 
> Robert Brockway B.Sc.
> Senior Technical Consultant, OpenTrend Solutions
> Ltd.
> Phone: 416-669-3073 Email: rbrockway@opentrend.net
> http://www.opentrend.net
> OpenTrend Solutions: Reliable, secure solutions to
> real world problems.
> Contributing Member of Software in the Public
> Interest (http://www.spi-inc.org)
> 


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