On Thu, Oct 25, 2007 at 14:44:44 -0400, Andrew Parker <andrewparker@xxxxxxxxxxx> wrote: > > If you reject the packets, the remote hosts knows that your hosts > exists and is up, but won't know why it can't connect. The remote > host knows this very quickly. The ICMP packet used for the reject can use one of several different codes to explain why the connection was rejected.