Re: opening ports
On Tue, Dec 12, 2006 at 02:09:43AM +0200, Andrei Popescu wrote:
> On Mon, Dec 11, 2006 at 11:23:26PM +0100, Jochen Schulz wrote:
> > IP address anyway. Even if you drop *every* incoming packet, an attacker
> > still knows that you are there from the absence of an ICMP message from
> > your ISP's router that there is no computer with your IP address.
> Interesting. If I understand correctly than firewalling rules would be
> much more effective if implemented in the ISP's firewall...
I meant to say "router"
If you can't explain it simply, you don't understand it well enough.