[oclug] Stealth

[GR Gaudreau]

On Fri, 11 Oct 2002 11:00:16 -0400
thus spake Brad Barnett <bb at L8R.net>:

> On 11 Oct 2002 10:43:18 -0400
> GR Gaudreau <transop at sympatico.ca> wrote:
> 
> > Hi all,
> > Someone on alt.os.linux.mandrake sent a post in claiming you can
> > make your computer invisible (stealth) to the Internet by issuing
> > this simple command as root:
> > 
> > /sbin/iptables -A INPUT -p tcp --syn -j DROP
> > 
> 
> This will basically prevent connections to any open TCP ports you
> may have.  Do this, and you can't telnet to your box, ssh, or
> anything of the sort.
<snipped for brevity> 

[gr]  Thanks, Brad, that was helpful... and thanks to everyone else
who contributed before. :-)