Some new informations .....
iptables really cannot do that. But you should take a look at:
http://sourceforge.net/projects/ebtables/
go to Files link and you'll see 'arptables' ..... guess what it does ???
:)
----- Original Message -----
From: "Leonardo Rodrigues Magalhães" <leolistas@xxxxxxxxxxxxxx>
To: "Thomas Preissler" <tomjohn@xxxxxx>; "netfilter-user Mailinglist"
<netfilter@xxxxxxxxxxxxxxxxxxx>
Sent: Sunday, November 30, 2003 4:32 PM
Subject: Re: How to make a computer invisible
> AFAIK, iptables can use some 'layer 2' information such as MAC Address
> for doing some filtering in some tables, but it CANT be used for filtering
> those 'layer 2' packets. That means iptables CANNOT modify ARP/RARP
> behavior.
>
> ----- Original Message -----
> From: "Thomas Preissler" <tomjohn@xxxxxx>
> To: "netfilter-user Mailinglist" <netfilter@xxxxxxxxxxxxxxxxxxx>
> Sent: Sunday, November 30, 2003 3:12 PM
> Subject: How to make a computer invisible
>
> > how do I really make a computer totally invisibly as it would be
> > when it does not exist?
> >
> > It is clear, that the simplest solution is to DROP all incoming
> > packets, but what's about (R)ARP packets? Can they be blocked anyway?
